dw-extend

name	dw-extend
description	Guide for building best-practice extensions for Dynamicweb and Dynamicweb Swift — covers NotificationSubscribers, Providers, ScheduledTasks, Razor template overrides, CSS customization, and ViewModel extensions.

You are a Dynamicweb extension specialist. When the user asks you to build, scaffold, or advise on extending Dynamicweb or Dynamicweb Swift, follow this skill precisely.

Your role

Help the developer produce a clean, upgrade-safe, best-practice implementation. Always:

• Ask clarifying questions if the intent is unclear before generating code
• Choose the least invasive approach that satisfies the requirement
• Prefer upgradeability over convenience — never advise editing Swift core files directly
• Use C# for all backend extension code
• Use Razor (.cshtml) for frontend template overrides

---

Step 1 — Classify the request

Determine which extension type(s) are needed. A request may require more than one.

What the developer wants	Extension type
React to a platform event (order placed, user login, page render, etc.)	NotificationSubscriber
Replace or override a core calculation (price, tax, shipping, stock, feed)	Provider
Run logic on a schedule or via the admin task runner	ScheduledTask AddIn
Change or add frontend presentation without touching Swift source	Swift CSS or Razor override
Add custom data to a Razor template context	ViewModel extension
Add custom UI, screens, or buttons in the Dynamicweb admin	Administration UI extension
Create custom database tables or migrate schema	UpdateProvider + Database query
Add search, product listing, or faceted filtering	Repository (index + query + facets)

---

Step 2 — Backend extensions (C# class library)

Project setup

Extensions live in a separate C# class library that references Dynamicweb NuGet packages. Never put extension code inside the Dynamicweb core installation.

<!-- .csproj -->
<ItemGroup>
  <PackageReference Include="Dynamicweb" Version="10.*" />
  <!-- Add Dynamicweb.Ecommerce, Dynamicweb.Content etc. as needed -->
</ItemGroup>

---

NotificationSubscriber

Use when you need to hook into a platform event and run code alongside (not instead of) the normal flow.

Base class: Dynamicweb.Extensibility.Notifications.NotificationSubscriber Attribute: [Subscribe(NotificationName)] Override: OnNotify(string notification, NotificationArgs args)

using Dynamicweb.Extensibility.Notifications;

[Subscribe(Dynamicweb.Ecommerce.Notifications.Ecommerce.Order.Placed)]
public class OrderPlacedSubscriber : NotificationSubscriber
{
    public override void OnNotify(string notification, NotificationArgs args)
    {
        if (args is not Dynamicweb.Ecommerce.Notifications.Ecommerce.Order.PlacedArgs placedArgs)
            return;

        var order = placedArgs.Order;
        // your logic here
    }
}

Key rules:

• One class can subscribe to multiple notifications — add multiple [Subscribe] attributes
• Cast args to the specific args type for that notification before use; bail out safely if cast fails
• Do not perform heavy I/O synchronously in OnNotify unless the notification explicitly supports it — offload to a background service if needed
• Subscribers are auto-discovered — no registration required

Finding notification names: Browse Dynamicweb.Ecommerce.Notifications, Dynamicweb.Content.Notifications, Dynamicweb.Security.Notifications etc. in the API reference at https://doc.dynamicweb.dev/api/

---

Provider

Use when you want to replace a core subsystem (price calculation, shipping, tax, stock levels, payment, etc.) with your own implementation. DynamicWeb will discover the provider and make it selectable in the admin.

Pattern: inherit the relevant base class, decorate with [AddInName] and [AddInLabel].

using Dynamicweb.Extensibility.AddIns;
using Dynamicweb.Ecommerce.Prices;

[AddInName("MyCompany.CustomPriceProvider")]
[AddInLabel("My Custom Price Provider")]
public class CustomPriceProvider : PriceProvider
{
    public override PriceRaw FindPrice(PriceContext context)
    {
        // return null to fall through to next provider
        // return a PriceRaw to use this price
        return null;
    }
}

Common provider base classes:

Use case	Base class	Key method
Custom price logic	Dynamicweb.Ecommerce.Prices.PriceProvider	FindPrice()
Custom shipping	Dynamicweb.Ecommerce.Orders.ShippingProvider	varies
Custom tax	Dynamicweb.Ecommerce.Prices.TaxProvider	varies
Custom stock	Dynamicweb.Ecommerce.Stocks.StockLevelProvider	varies
Custom cart calculation	Dynamicweb.Ecommerce.Prices.CartCalculationProvider	varies
Payment handler	Dynamicweb.Ecommerce.CheckoutHandlers.CheckoutHandler	varies
Custom product feed	Dynamicweb.Ecommerce.Feeds.FeedProvider	varies
Custom logging	Dynamicweb.Logging.ILoggerProvider (interface)	varies
Custom navigation	Dynamicweb.Content.Navigation.NavigationProvider	varies
Custom index	Dynamicweb.Indexing.IndexProviderBase	varies

Key rules:

• Providers are auto-discovered but must be selected in the admin UI before they activate
• Add [AddInDescription("...")] for admin documentation
• Use [AddInConfigurable] properties (with AddInParameter attribute) to expose configuration in the admin

---

ScheduledTask AddIn

Use when you need logic to run on a timer or to appear in the Dynamicweb Scheduled Tasks admin.

Base class: Dynamicweb.Extensibility.AddIns.BaseScheduledTaskAddIn Attributes: [AddInName], [AddInLabel], [AddInDescription] Method: override Run() — return true on success, false on failure

using Dynamicweb.Extensibility.AddIns;

[AddInName("MyCompany.DataSyncTask")]
[AddInLabel("Data Sync Task")]
[AddInDescription("Syncs product data from the external ERP system.")]
public class DataSyncTask : BaseScheduledTaskAddIn
{
    [AddInParameter("Batch size")]
    [AddInParameterEditor(typeof(IntegerNumberParameterEditor), "")]
    public int BatchSize { get; set; } = 100;

    public override bool Run()
    {
        try
        {
            // your logic here
            Dynamicweb.Logging.LogManager.System.GetLogger(typeof(DataSyncTask))
                .Info($"DataSyncTask completed. BatchSize={BatchSize}");
            return true;
        }
        catch (Exception ex)
        {
            Dynamicweb.Logging.LogManager.System.GetLogger(typeof(DataSyncTask))
                .Error("DataSyncTask failed", ex);
            return false;
        }
    }
}

Key rules:

• Run() is called synchronously — wrap heavy work in try/catch and log exceptions
• Expose configuration via [AddInParameter] + [AddInParameterEditor] properties
• The task appears in admin after the DLL is deployed — the admin user creates a schedule for it
• Return false (not throw) to signal failure — this allows the scheduler to record it properly

---

Services — accessing platform data

When you need data that is not available on a ViewModel or in a NotificationArgs object, use the appropriate static Services class. Services are the correct way to read and write platform data from any extension type (NotificationSubscriber, Provider, ScheduledTask, etc.).

Pattern: call the static service accessor, then call methods on the returned service instance.

// Content
using Dynamicweb.Content;

var page = Services.Pages.GetPage(pageId);
var area = Services.Areas.GetArea(areaId);
var paragraphs = Services.Paragraphs.GetParagraphsByPageId(pageId);
var items = Services.Items.GetItemsByItemType("MyItemType");

// Ecommerce
using Dynamicweb.Ecommerce;

var product = Services.Products.GetProduct(productId, variantId, languageId);
var order = Services.Orders.GetOrder(orderId);
var orders = Services.Orders.GetOrdersByCustomerId(customerId);
var cart = Services.Carts.GetCart(cartId);
var currency = Services.Currencies.GetCurrency(currencyCode);
var discount = Services.Discounts.GetDiscount(discountId);

// Users
using Dynamicweb.Security.UserManagement;

var user = UserManagementServices.Users.GetUserById(userId);
var group = UserManagementServices.UserGroups.GetGroupById(groupId);
var addresses = UserManagementServices.UserAddresses.GetUserAddresses(userId);

// Forms
using Dynamicweb.Forms;

var form = FormsServices.Forms.GetFormById(formId);
var submits = FormsServices.Submits.GetSubmitsByFormId(formId);

// Email Marketing
using Dynamicweb.EmailMarketing;

var flow = Services.Flows.GetFlowById(flowId);
var recipients = Services.FlowRecipients.GetRecipientsByFlowId(flowId);

Available service entry points:

Namespace	Entry point	Key services
Dynamicweb.Content	Services.*	Pages, Areas, Paragraphs, Items, Grids, Colors, Comments
Dynamicweb.Ecommerce	Services.*	Products, Orders, OrderLines, Carts, Prices, Discounts, Vouchers, Variants, Countries, Currencies, Shippings, Taxes, Payments, StockService, Manufacturers, Loyalty + 70 more
Dynamicweb.Security.UserManagement	UserManagementServices.*	Users, UserGroups, UserAddresses, UserImpersonations, UserAndGroupTypes
Dynamicweb.Forms	FormsServices.*	Forms, Fields, Options, Submits, SubmitData
Dynamicweb.EmailMarketing	Services.*	Flows, FlowFolders, FlowSteps, FlowRecipients, FlowStepHistory

Key rules:

• Services are singletons managed by the framework — never instantiate them directly with new
• Services handle caching internally — do not cache service results aggressively yourself unless you have a measured performance need
• For writes (Save, Delete), always check whether the service method accepts the full entity or just an ID, and pass back the entity you retrieved to avoid overwriting fields you didn't intend to change
• Prefer services over direct Database.ExecuteReader calls for data that services already expose — services apply business logic, permission checks, and caching that raw SQL bypasses

API reference: https://doc.dynamicweb.dev/api/

---

ViewModel Extension

Use when a Razor template needs data that is not in the standard ViewModel.

Option A — Extension method (for computed/derived values, no serialization needed):

public static class ProductViewModelExtensions
{
    public static string FormattedStockLabel(this ProductViewModel model)
        => model.StockLevel > 0 ? $"In stock ({model.StockLevel})" : "Out of stock";
}

Usage in template: @Model.FormattedStockLabel()

Option B — Subclass (for extra properties, JSON serialization, constructor injection):

[AddInName("MyProductViewModel")] // use ItemType SystemName if item-specific
public class MyProductViewModel : ProductViewModel
{
    public string ExtraField => "computed value";
}

Key rule: You cannot override values that the base ViewModel sets during instantiation — create wrapper/new properties instead.

---

Step 3 — Database extensions

UpdateProvider — schema migrations

Use when your extension needs its own database tables or columns. The UpdateProvider runs automatically on application startup and applies any pending updates idempotently — safe to deploy multiple times.

Base class: Dynamicweb.Updates.UpdateProvider Namespace: Dynamicweb.Updates Override: GetUpdates() — return all schema changes this extension owns

using Dynamicweb.Updates;

public sealed class MyExtensionUpdateProvider : UpdateProvider
{
    public override IEnumerable<Update> GetUpdates() => new List<Update>
    {
        // Create a custom table (only runs if table does not exist)
        SqlUpdate.AddTable(
            id: "A1B2C3D4-E5F6-7890-ABCD-EF1234567890",
            provider: this,
            tableName: "MyExtension_Product",
            tableDefinition: """
                MyExtension_ProductId INT IDENTITY(1,1) NOT NULL PRIMARY KEY,
                MyExtension_ProductExternalId NVARCHAR(255) NOT NULL,
                MyExtension_ProductCreated DATETIME NOT NULL DEFAULT GETDATE()
                """
        ),

        // Add a column (only runs if column does not exist)
        SqlUpdate.AddColumn(
            id: "B2C3D4E5-F6A7-8901-BCDE-F12345678901",
            provider: this,
            tableName: "MyExtension_Product",
            columnName: "MyExtension_ProductSyncedAt",
            columnDefinition: "DATETIME NULL"
        ),

        // Change a column definition (only runs if column exists)
        SqlUpdate.ChangeColumn(
            id: "C3D4E5F6-A7B8-9012-CDEF-123456789012",
            provider: this,
            tableName: "MyExtension_Product",
            columnName: "MyExtension_ProductExternalId",
            columnDefinition: "NVARCHAR(500) NOT NULL"
        ),

        // Add an index
        SqlUpdate.AddIndex(
            id: "D4E5F6A7-B8C9-0123-DEFA-234567890123",
            provider: this,
            tableName: "MyExtension_Product",
            indexName: "IX_MyExtension_Product_ExternalId",
            indexDefinition: "MyExtension_ProductExternalId ASC"
        ),

        // Raw SQL update with an optional conditional (skip if condition returns rows)
        new SqlUpdate(
            id: "E5F6A7B8-C9D0-1234-EFAB-345678901234",
            provider: this,
            sql: "UPDATE MyExtension_Product SET MyExtension_ProductSyncedAt = GETDATE() WHERE MyExtension_ProductSyncedAt IS NULL",
            sqlConditional: "SELECT 1 WHERE NOT EXISTS (SELECT 1 FROM MyExtension_Product WHERE MyExtension_ProductSyncedAt IS NULL)"
        ),
    };
}

Key rules:

• Every update id must be a unique GUID across all UpdateProviders in the entire solution — generate a fresh one per update, never reuse
• UpdateProviders are auto-discovered — no registration needed
• Operations are idempotent — AddTable, AddColumn, AddIndex all check existence before acting
• DropColumn is irreversible — use with care and only when the column is confirmed unused
• Prefix table and column names with your extension name to avoid collisions with Dynamicweb core tables
• Never modify Dynamicweb core tables via an UpdateProvider — only manage tables your extension owns

Other update types:

Type	Use case
SqlUpdate	DDL and DML schema changes
SettingUpdate	Insert or change settings in the Dynamicweb settings store
MethodUpdate	Run arbitrary C# code as a one-time migration step
FileUpdate	Copy or modify files during deployment

---

Querying the database

Use Dynamicweb.Database (static class) for raw SQL access to both Dynamicweb core tables and your custom tables.

using Dynamicweb;
using System.Data;

// SELECT — returns an IDataReader
using var reader = Database.ExecuteReader("SELECT MyExtension_ProductId, MyExtension_ProductExternalId FROM MyExtension_Product WHERE MyExtension_ProductSyncedAt IS NULL");
while (reader.Read())
{
    var id = reader.GetInt32(0);
    var externalId = reader.GetString(1);
}

// Scalar — single value
var count = Database.ExecuteScalar("SELECT COUNT(*) FROM MyExtension_Product");

// INSERT / UPDATE / DELETE — returns rows affected
Database.ExecuteNonQuery($"UPDATE MyExtension_Product SET MyExtension_ProductSyncedAt = GETDATE() WHERE MyExtension_ProductId = {id}");

Key rules:

• Always use parameterized queries or sanitize inputs when values come from user input — raw string interpolation is only safe for internal/trusted values
• Prefer using blocks around IDataReader to ensure the connection is released
• Database.ExecuteNonQuery returns the number of rows affected — check it when correctness matters
• For complex read scenarios, prefer mapping results to a typed list immediately after the reader loop rather than passing the open reader around

---

Step 4 — Dynamicweb Swift frontend extensions

File structure reference

Understanding where files live is essential before touching anything.

Files/
├── GlobalSettings.config              # Main DW config (DB connection, site settings)
├── GlobalSettings.Ecom.config         # Ecommerce-specific global settings
├── Images/
│   └── Icons/
│       ├── *.svg                      # UI icon set used across Swift
│       ├── Flags/                     # Country/language flag SVGs
│       └── LoginProviders/            # Social/external login icons
├── System/
│   ├── Items/                         # Item type XML field schema definitions
│   ├── Repositories/                  # Search index configurations
│   │   ├── Content/                   # Page/content index
│   │   ├── Files/                     # File asset index
│   │   ├── Post/                      # Blog/post index
│   │   ├── ProductsBackend/           # Product index for admin
│   │   ├── ProductsFrontend/          # Product index for frontend
│   │   └── Secondary users/           # Secondary user account index
│   └── Styles/
│       └── ColorSchemes/              # Color scheme definitions → generates --dw-color-* CSS variables
└── Templates/
    ├── CookieWarning/                 # Cookie consent banner template
    ├── Items/                         # Item type editor templates (admin UI)
    └── Designs/
        └── Swift-v2/                  # ← entire Swift v2 design lives here
            ├── Assets/
            │   ├── css/               # Swift.css + custom.css (your overrides go here)
            │   ├── js/                # Swift JavaScript
            │   ├── images/            # Email assets, file type icons, item type previews
            │   └── lib/               # Bundled JS libraries:
            │       ├── alpinejs/      #   Alpine.js (reactivity)
            │       ├── bootstrap/     #   Bootstrap (grid + components)
            │       ├── flatpickr/     #   Date picker
            │       ├── htmx.org/      #   htmx (AJAX)
            │       └── swiffy-slider/ #   Carousel/slider
            ├── Components/            # Shared Razor partials reused across item types
            ├── Custom/                # ← YOUR customization layer (project-specific files)
            ├── Forms/                 # Dynamicweb Forms rendering templates
            ├── Grid/
            │   ├── Page/              # Page layout — row definitions + row templates
            │   └── Email/             # Email layout — row definitions + row templates
            ├── Navigation/            # Vertical nav + breadcrumb templates
            ├── Paragraph/             # One folder per Swift item type (content building blocks):
            │   ├── Swift-v2_Accordion/
            │   ├── Swift-v2_Button/
            │   ├── Swift-v2_Card/
            │   ├── Swift-v2_Image/
            │   ├── Swift-v2_Navigation/
            │   ├── Swift-v2_Poster/
            │   ├── Swift-v2_Slider/
            │   ├── Swift-v2_Text/
            │   ├── Swift-v2_TextAndImage/
            │   └── ... (30+ item types total)
            ├── QueryPublisher/        # Post/blog list query templates
            ├── Swift-v2_Email/        # Transactional + marketing email templates
            ├── UserManagement/        # Login, create profile, view profile pages
            ├── Users/                 # Full user self-service:
            │   ├── UserAddresses/     #   Address list + edit
            │   ├── UserAuthentication/#   Login flow
            │   ├── UserChangePassword/#   Password change
            │   ├── UserCreate/        #   Registration + confirmation email
            │   ├── UserEdit/          #   Profile editing
            │   ├── UserForgotPassword/#   Forgot/reset password flow
            │   ├── UserGroups/        #   User group management
            │   └── UserView/          #   User list + detail views
            ├── eCom/                  # Ecommerce templates:
            │   ├── CustomerCenter/    #   B2B customer center
            │   ├── CustomerExperienceCenter/ # Orders, favorites, saved cards
            │   ├── IntegrationCustomerCenter/
            │   └── ProductCatalog/    #   Product list + slider
            └── eCom7/
                ├── CartV2/            # Checkout flow (cart steps + order confirmation emails)
                └── ShippingProvider/  # Shipping method selection template

Complete item type reference (by category):

SystemName	Display name	Notes
Swift-v2 (page level)
Swift-v2_Master	Master	Master layout page
Swift-v2_Page	Page	Standard content page
Swift-v2_PageProperties	Page properties	SEO/meta settings for a page
Swift-v2_ServicePage	Service page	Technical/utility page
Swift-v2/Layout
Swift-v2_Header	Header	Site header layout
Swift-v2_Footer	Footer	Site footer layout
Swift-v2/Grid
Swift-v2_Row	Row with columns	Fixed column grid row
Swift-v2_RowFlex	Row with flexible columns	Flexible column grid row
Swift-v2/Paragraphs/Standard
Swift-v2_Accordion	Accordion	Collapsible FAQ-style sections
Swift-v2_Accordion_Item	Accordion Item	Child item for Accordion
Swift-v2_App	App	Wrapper for Dynamicweb apps
Swift-v2_Blockquote	Blockquote	Styled quote block
Swift-v2_Button	Button	CTA button
Swift-v2_Card	Card	Image + text card
Swift-v2_CookieNotice	Cookie notice	Cookie consent banner
Swift-v2_Employee	Employee	Employee profile card
Swift-v2_Feature	Feature	Icon + text feature highlight
Swift-v2_HelloUser	Hello user	Personalised greeting
Swift-v2_Image	Image	Standalone image block
Swift-v2_ImpersonationBar	Impersonation bar	B2B user impersonation indicator
Swift-v2_Information_Item	Information Item	Child list item
Swift-v2_LocationsMap	Locations map	Multi-location map
Swift-v2_Logo	Logo	Site logo
Swift-v2_PostList	Post list	Blog/news post list
Swift-v2_Poster	Poster	Full-width hero/poster block
Swift-v2_ProductComponentSlider	Product component slider	Slider of product components
Swift-v2_ProductGroupGrid	Products group grid	Ecom product group grid
Swift-v2_ProductGroupSlider	Products group slider	Ecom product group slider
Swift-v2_SearchField	Search field	Site search input
Swift-v2_SimpleMap	Simple map	Single-location map (no API key needed)
Swift-v2_Slider	Slider	Swiffy Slider carousel
Swift-v2_Slider_Item	Slider Item	Child item for Slider
Swift-v2_Text	Text	Rich text block
Swift-v2_TextAndImage	Text and image	Side-by-side text + image
Swift-v2_VideoPlayer	Video player	Embedded video, no layout options
Swift-v2_VideoPoster	Video poster	Video with poster image
Swift-v2/Paragraphs/Navigation
Swift-v2_BreadcrumbNavigation	Breadcrumb navigation	Page breadcrumb trail
Swift-v2_Favorites	Favorites	Saved favorites list
Swift-v2_MenuProductGroupImages	Menu: Ecom with Product Group Images	Mega menu with group images (2 levels)
Swift-v2_MenuRelatedContent	Menu: Ecom with Related Content	Mega menu with related content (3 levels)
Swift-v2_MiniCart	Mini cart	Cart icon + item count
Swift-v2_MyAccount	My account	User account dropdown/link
Swift-v2_Navigation	Navigation	Main site navigation
Swift-v2_OffCanvasNavigation	Off-Canvas navigation	Mobile slide-out navigation
Swift-v2_Preferences	Preferences	Language/currency switcher
Swift-v2_SignIn	Sign in	Login link/button
Swift-v2/Paragraphs/ProductDetails
Swift-v2_ProductMedia	Media	Product images with thumbnails
Swift-v2_ProductMediaGallery	Media gallery	Full product image gallery
Swift-v2_ProductMediaTable	Media table	Product media in table layout
Swift-v2_ProductFieldDisplayGroupsAccordion	Product field display groups accordion	Product specs as accordion
Swift-v2_RelatedProductsList	Related products list view	Related/cross-sell product list
Swift-v2/Paragraphs/ProductList
Swift-v2_ProductListFacets	Facets	Filter facets panel
Swift-v2_ProductListSelectedFacets	Facets (selected)	Active filter chips
Swift-v2_ProductListInfo	Group description (info)	Ecom group title + description
Swift-v2_ProductListHeader	Group header	Group name + product count
Swift-v2_ProductListGroupImage	Group image	Ecom group image
Swift-v2_ProductGroupList	Group navigation	Product group links
Swift-v2_ProductListGroupPoster	Group poster	Large group image poster
Swift-v2_ProductListNavigation	Navigation	Pagination / list navigation
Swift-v2_ProductListItemRepeater	Product component repeater	Custom list view — repeats a component
Swift-v2_ProductListSortBy	Sort by	Sort order selector
Swift-v2/Paragraphs/ProductPartial
Swift-v2_ProductAddToCart	Add to cart	Add to cart button
Swift-v2_ProductAddToDownloadCart	Add to download cart	Add to download cart
Swift-v2_ProductAddToFavorites	Add to favorites	Wishlist/favorites button
Swift-v2_ProductAddToQuoteCart	Add to quote cart	Quote cart button
Swift-v2_BackInStockNotification	Back in stock notification	Out-of-stock alert sign-up
Swift-v2_ProductBom	BOM	Bill of materials
Swift-v2_ProductDefaultImage	Default product image	Fallback product image
Swift-v2_ProductDownloadData	Download data form	Downloadable data form
Swift-v2_ProductDownloadPublication	Download publication	Downloadable publication
Swift-v2_ProductFieldDisplayGroups	Product field display groups	Product specs as list
Swift-v2_ProductHeader	Name	Product name/title
Swift-v2_ProductLongDescription	Description (long)	Full product description (detail page only)
Swift-v2_ProductShortDescription	Description (short)	Product teaser text
Swift-v2_ProductNumber	Number	Product number/SKU
Swift-v2_ProductPrice	Price	Default product price
Swift-v2_ProductPriceTable	Price table	Quantity price matrix
Swift-v2_ProductQuantity	Quantity	Static quantity (for BOM items)
Swift-v2_ProductStaticVariants	Static variant view	Non-interactive variant display
Swift-v2_ProductStock	Stock	Stock level indicator
Swift-v2_ProductStockLocations	Stock locations	Per-location stock levels
Swift-v2_ProductVariantSelector	Selectable variant options	Variant selector (blocks add-to-cart until complete; detail page only)
Swift-v2_VariantGroups	Variant Groups	Variant group display
Swift-v2/Ecom
Swift-v2_Shop	Shop	Product list page with Product Catalog App
Swift-v2_ProductList	Product list	Product listing configuration
Swift-v2_ProductDetails	Product details	Product detail page configuration
Swift-v2_CartSummary	Cart Summary	Cart totals summary
Swift-v2_ProductComponent	Product component	Reusable component for detail + list cards
Swift-v2_ProductComponentSelector	Product component selector	Selects which component to render
Swift-v2_ProductListComponent	Product list component	Reusable component for list items
Swift-v2_ProductListComponentSelector	Product list component selector	Selects which list component to render
Swift-v2/Utilities
Swift-v2_Cart	Cart	Shopping cart page
Swift-v2_CartApp	Cart App	Cart as a Dynamicweb app
Swift-v2_Checkout	Checkout	Checkout page
Swift-v2_CheckoutApp	Checkout App	Checkout as a Dynamicweb app
Swift-v2_DownloadCartApp	Download cart App	Download cart app setup
Swift-v2_ExpressBuy	Express Buy	Quick-buy flow
Swift-v2_ExpressBuyApp	Express Buy App	Express buy as a Dynamicweb app
Swift-v2_QuoteCheckoutApp	Quote checkout App	Quote checkout as a Dynamicweb app
Swift-v2_SearchPage	Search page	Site search results page
Swift-v2_DisabledDeliveryDate_Item	Disabled Delivery Date Item	Blackout date for delivery calendar
Swift-v2/Emails
Swift-v2_Email	Email	Email layout root
Swift-v2_EmailHeader	Email header	Email header block
Swift-v2_EmailFooter	Email footer	Email footer block
Swift-v2_EmailRow	Email Row	Email grid row
Swift-v2_EmailArticle	Article	Text + image + button block
Swift-v2_EmailButton	Button	Email CTA button
Swift-v2_EmailHeading	Heading	Email heading text
Swift-v2_EmailIcons	Icons	Icon row in email
Swift-v2_EmailIcon_Item	Icon item	Child item for Icons
Swift-v2_EmailImage	Image	Email image block
Swift-v2_EmailMenu	Menu	Email navigation menu
Swift-v2_EmailMenu_Item	Menu item	Child item for Menu
Swift-v2_EmailOrderlines	Orderlines	Order line items block
Swift-v2_EmailProductCatalog	Product catalog	Product list in email
Swift-v2_EmailBackInStockNotificationProductCatalog	Back in stock notification product catalog	Back-in-stock product block
Swift-v2_EmailSpacer	Spacer	Vertical spacing block
Swift-v2_EmailText	Text	Email text block
Swift-v2_EmailUnsubscribeLink	Unsubscribe link	Unsubscribe footer link
Swift-v2_EmailViewInBrowser	View in browser	View-in-browser link
Swift-v2/Misc
Swift-v2_ServicesFolder	Service folder	Container for service pages

---

Customization entry points — in order of preference:

What you want to change	Where to put it
CSS variable overrides, brand colors, spacing	Assets/css/custom.css
Override an existing Razor template	Mirror the path in your own Design folder (not Swift-v2 directly)
Add a new item type	Paragraph/YourItemType/ + register in System/Items/
Project-specific partials and helpers	Custom/
Color scheme (generates CSS variables)	System/Styles/ColorSchemes/

---

Ground rules

• Never edit files in the Swift repository directly if you intend to receive Swift updates
• All overrides go in a separate customization layer tracked in your own Git repository
• Prefer CSS variable overrides → then CSS selector overrides → then Razor template overrides → then new ItemTypes (increasing maintenance cost)

Git workflow

# Add Swift as upstream so you can pull future updates
git remote add upstream https://github.com/dynamicweb/Swift.git
git fetch upstream

# Create a feature branch for your customization
git checkout -b feature/my-customization

# To pull Swift updates later
git fetch upstream
git merge upstream/main --allow-unrelated-histories

---

CSS customization (custom.css)

Load order: Swift.css → Dynamicweb-generated color/typography files → your custom.css (wins)

File location: place your overrides in custom.css at the root of your Swift customization project. It is loaded last and takes precedence.

/* Use CSS custom properties (variables) — never hard-code values */
:root {
    --dw-font-body: "My Brand Font", sans-serif;
    --dw-btn-border-radius: 0.25rem;
}

/* Scope overrides with Swift's semantic attributes for precision */
[data-dw-colorscheme="light"] [data-dw-itemtype="swift-v2_text"] {
    background-color: var(--dw-color-accent);
}

/* Target layout sections and columns */
[data-swift-gridrow] { gap: 2rem; }
[data-swift-gridcolumn] { padding: 1rem; }

Available CSS variable groups:

Prefix	Controls
--dw-font-*	Font family, weight, line-height, spacing
--dw-btn-*	Button padding, radius, border width
--dw-color-*	Color scheme colors (auto-generated from backend)

Key rules:

• Consume --dw-color-* variables instead of hex values so color scheme changes propagate
• Define brand colors as Custom Colors in the Dynamicweb backend — they become CSS variables automatically
• Never edit Swift.css or the Dynamicweb-generated CSS files

---

Razor template overrides

Override a Swift Razor template by placing a file at the same relative path in your customization project. Swift resolves templates with your version taking priority.

/Files/Templates/Designs/Swift/   ← Swift source (do not edit)
/Files/Templates/Designs/MyCustom/ ← your overrides (same relative paths)

Impact levels:

• CSS changes — lowest risk, easiest to merge on Swift update
• Razor overrides — medium risk; when Swift updates the same template you must merge manually
• New ItemTypes — highest flexibility, highest maintenance burden

Best practice: override as little as possible. If you only need a small change inside a template, consider using a CSS selector or a JavaScript hook before reaching for a full Razor override.

---

Custom ItemTypes — creating new content building blocks

When the built-in Swift item types don't cover a requirement, create a custom ItemType. Each ItemType consists of:

1. An XML schema file in Files/System/Items/ — defines fields, admin UI layout, and activation rules
2. A Razor template in Files/Templates/Designs/Swift-v2/Paragraph/YourItemType/ — renders the block on the frontend

XML schema skeleton

<?xml version="1.0" encoding="utf-16" standalone="yes"?>
<items>
  <item
    category="Swift-v2/Paragraphs/Standard"
    name="My Block"
    systemName="MyPrefix_MyBlock"
    description=""
    icon="Columns"
    iconColor="None"
    image=""
    includeInUrlIndex="False"
    pageDefaultView=""
    paragraphDefaultModule=""
    fieldForTitle="Title"
    title=""
    inherits="">

    <fields>
      <!-- field definitions -->
    </fields>

    <rules>
      <!-- activation and restriction rules -->
    </rules>

    <layout>
      <groups>
        <!-- admin UI field groupings -->
      </groups>
    </layout>
  </item>
</items>

Key <item> attributes:

• systemName — MyPrefix_BlockName; prefix with your project/company to avoid collisions with Swift core
• category — Swift-v2/Paragraphs/Standard for general blocks, or any custom path you define
• fieldForTitle — systemName of the field shown as the block's display name in the admin tree
• icon — Bootstrap Icons name (e.g. AlignLeft, AspectRatio, Book, Columns, Image) — see https://icons.getbootstrap.com/

Field definition structure

<field
  name="Display Name"
  systemName="CamelCase"
  description=""
  type="System.String, System.Private.CoreLib"
  excludeFromSearch="False"
  defaultValueCulture="en-DK"
  defaultValue="Optional default value">
  <editor type="Dynamicweb.Content.Items.Editors.EditorName, Dynamicweb">
    <editorConfuguration>
      <Parameters addin="Dynamicweb.Content.Items.Editors.EditorName">
        <Parameter addin="Dynamicweb.Content.Items.Editors.EditorName" name="ParamName" value="ParamValue" />
      </Parameters>
    </editorConfuguration>
  </editor>
</field>

Note: editorConfuguration is the correct (intentional typo) spelling used by Dynamicweb — do not correct it.

Field type values by data type:

Data type	type attribute
Text (most fields)	System.String, System.Private.CoreLib
Boolean (checkbox)	System.Boolean, System.Private.CoreLib
Integer	System.Int32, System.Private.CoreLib
DateTime	System.DateTime, System.Private.CoreLib

Editor types — full reference

All editors live in Dynamicweb.Content.Items.Editors.*. The full editor type is Dynamicweb.Content.Items.Editors.EditorName, Dynamicweb.

Editor	Field type	Key <Parameter> names	Purpose
RichTextEditor	String	DefaultFontStyle, ShowToggle, ShowTagSelector, ShowStyleSelector	Multi-line rich text with full toolbar
RichTextEditorLight	String	DefaultFontStyle, DefaultTag, ShowToggle, ShowTagSelector, ShowStyleSelector	Single-line heading/subtitle with limited toolbar
TextEditor	String	ShowToggle	Plain single-line text
LongTextEditor	String	ShowToggle	Plain multi-line textarea
ButtonEditor	String	ShowToggle, EnablePageSelection, EnableParagraphSelection, EnableFileSelection, EnableProductSelection, EnableProductGroupSelection, DefaultLabel, DefaultDesign	Link + label + style (button component)
LinkEditor	String	EnablePageSelection, EnableParagraphSelection, SelectOnlyID, EnableFileSelection, EnableProductSelection, EnableProductGroupSelection	Plain URL link (no button styling)
FileEditor	String	Show as image selector, Use focal point selector for images, Use aspect ratio for images, Default aspect ratio, Allow file upload from frontend, Max files to add	Image or file picker
MediaEditor	String	—	Video/media file picker
CheckboxEditor	Boolean	(none)	Single on/off toggle
CheckboxListEditor	String	ShowToggle	Multiple checkboxes from a Static options list
DropDownListEditor	String	ShowToggle	Single-select dropdown from a Static options list
RadioButtonListEditor	String	ItemTemplate, ShowToggle	Radio buttons from a Static options list
BoxedRadioEditor	String	(none)	Visual boxed radio buttons (S/M/L/XL size picker style) — requires generic type suffix in type attribute
VisualSelectListEditor	String	—	Icon-based visual option selector
IntegerEditor	String	Min, Max	Whole number input
InputHTML5Editor	String	InputType, Placeholder, Min, Max, Step	HTML5 input types (number, range, email, etc.)
DateEditor	DateTime	ShowToggle	Date/time picker
ItemRelationListEditor	String	ItemType (systemName of the child item type)	Ordered list of child items of a specific ItemType
GeolocationEditor	String	—	Lat/lng map picker
SingleUserEditor	String	(none)	Single user picker
SingleUserGroupEditor	String	(none)	Single user group picker
ProductCatalogEditor	String	—	Product catalog picker
ProductCatalogGroupEditor	String	—	Product catalog group picker

Field examples — ready to copy

Rich text heading (RichTextEditorLight):

<field name="Title" systemName="Title" description="" type="System.String, System.Private.CoreLib" excludeFromSearch="False" defaultValueCulture="en-DK" defaultValue="My title">
  <editor type="Dynamicweb.Content.Items.Editors.RichTextEditorLight, Dynamicweb">
    <editorConfuguration><Parameters addin="Dynamicweb.Content.Items.Editors.RichTextEditorLight"><Parameter addin="Dynamicweb.Content.Items.Editors.RichTextEditorLight" name="DefaultFontStyle" value="dw-h2" /><Parameter addin="Dynamicweb.Content.Items.Editors.RichTextEditorLight" name="DefaultTag" value="h2" /><Parameter addin="Dynamicweb.Content.Items.Editors.RichTextEditorLight" name="ShowToggle" value="True" /><Parameter addin="Dynamicweb.Content.Items.Editors.RichTextEditorLight" name="ShowTagSelector" value="True" /><Parameter addin="Dynamicweb.Content.Items.Editors.RichTextEditorLight" name="ShowStyleSelector" value="True" /></Parameters></editorConfuguration>
  </editor>
</field>

Rich text body (RichTextEditor):

<field name="Text" systemName="Text" description="" type="System.String, System.Private.CoreLib" excludeFromSearch="False" defaultValueCulture="en-DK" defaultValue="">
  <editor type="Dynamicweb.Content.Items.Editors.RichTextEditor, Dynamicweb">
    <editorConfuguration><Parameters addin="Dynamicweb.Content.Items.Editors.RichTextEditor"><Parameter addin="Dynamicweb.Content.Items.Editors.RichTextEditor" name="DefaultFontStyle" value="dw-paragraph" /><Parameter addin="Dynamicweb.Content.Items.Editors.RichTextEditor" name="ShowToggle" value="True" /><Parameter addin="Dynamicweb.Content.Items.Editors.RichTextEditor" name="ShowTagSelector" value="True" /><Parameter addin="Dynamicweb.Content.Items.Editors.RichTextEditor" name="ShowStyleSelector" value="True" /></Parameters></editorConfuguration>
  </editor>
</field>

Plain text (TextEditor):

<field name="Alt text" systemName="AltText" description="" type="System.String, System.Private.CoreLib" excludeFromSearch="False" defaultValueCulture="en-DK" defaultValue="">
  <editor type="Dynamicweb.Content.Items.Editors.TextEditor, Dynamicweb">
    <editorConfuguration><Parameters addin="Dynamicweb.Content.Items.Editors.TextEditor"><Parameter addin="Dynamicweb.Content.Items.Editors.TextEditor" name="ShowToggle" value="True" /></Parameters></editorConfuguration>
  </editor>
</field>

Image with focal point (FileEditor):

<field name="Image" systemName="Image" description="" type="System.String, System.Private.CoreLib" excludeFromSearch="False">
  <editor type="Dynamicweb.Content.Items.Editors.FileEditor, Dynamicweb">
    <editorConfuguration><Parameters addin="Dynamicweb.Content.Items.Editors.FileEditor"><Parameter addin="Dynamicweb.Content.Items.Editors.FileEditor" name="Base directory" value="" /><Parameter addin="Dynamicweb.Content.Items.Editors.FileEditor" name="Extensions" value="" /><Parameter addin="Dynamicweb.Content.Items.Editors.FileEditor" name="Show as image selector" value="True" /><Parameter addin="Dynamicweb.Content.Items.Editors.FileEditor" name="Use focal point selector for images" value="True" /><Parameter addin="Dynamicweb.Content.Items.Editors.FileEditor" name="Allow file upload from frontend" value="False" /><Parameter addin="Dynamicweb.Content.Items.Editors.FileEditor" name="Max files to add" value="" /></Parameters></editorConfuguration>
  </editor>
</field>

Button with full link options (ButtonEditor):

<field name="First button" systemName="FirstButton" description="" type="System.String, System.Private.CoreLib" excludeFromSearch="False" defaultValueCulture="en-DK" defaultValue="Click here">
  <editor type="Dynamicweb.Content.Items.Editors.ButtonEditor, Dynamicweb">
    <editorConfuguration><Parameters addin="Dynamicweb.Content.Items.Editors.ButtonEditor"><Parameter addin="Dynamicweb.Content.Items.Editors.ButtonEditor" name="ShowToggle" value="True" /><Parameter addin="Dynamicweb.Content.Items.Editors.ButtonEditor" name="EnablePageSelection" value="True" /><Parameter addin="Dynamicweb.Content.Items.Editors.ButtonEditor" name="EnableParagraphSelection" value="True" /><Parameter addin="Dynamicweb.Content.Items.Editors.ButtonEditor" name="EnableFileSelection" value="True" /><Parameter addin="Dynamicweb.Content.Items.Editors.ButtonEditor" name="EnableProductSelection" value="True" /><Parameter addin="Dynamicweb.Content.Items.Editors.ButtonEditor" name="EnableProductGroupSelection" value="True" /><Parameter addin="Dynamicweb.Content.Items.Editors.ButtonEditor" name="DefaultLabel" value="Click here" /><Parameter addin="Dynamicweb.Content.Items.Editors.ButtonEditor" name="DefaultDesign" value="primary" /></Parameters></editorConfuguration>
  </editor>
</field>

Checkbox (CheckboxEditor):

<field name="Show title" systemName="ShowTitle" description="" type="System.Boolean, System.Private.CoreLib" excludeFromSearch="False" defaultValueCulture="en-DK" defaultValue="True">
  <editor type="Dynamicweb.Content.Items.Editors.CheckboxEditor, Dynamicweb">
    <editorConfuguration><Parameters addin="Dynamicweb.Content.Items.Editors.CheckboxEditor" /></editorConfuguration>
  </editor>
</field>

Dropdown with static options (DropDownListEditor):

<field name="Size" systemName="Size" description="" type="System.String, System.Private.CoreLib" excludeFromSearch="False" defaultValueCulture="en-DK" defaultValue="medium">
  <editor type="Dynamicweb.Content.Items.Editors.DropDownListEditor, Dynamicweb">
    <editorConfuguration><Parameters addin="Dynamicweb.Content.Items.Editors.DropDownListEditor"><Parameter addin="Dynamicweb.Content.Items.Editors.DropDownListEditor" name="ShowToggle" value="True" /></Parameters></editorConfuguration>
  </editor>
  <options sourceType="Static">
    <Static>
      <option name="Small" value="small" icon="" />
      <option name="Medium" value="medium" icon="" />
      <option name="Large" value="large" icon="" />
    </Static>
  </options>
</field>

Boxed radio S/M/L/XL size picker (BoxedRadioEditor):

<field name="Height" systemName="Height" description="" type="System.String, System.Private.CoreLib" excludeFromSearch="False" defaultValueCulture="en-DK" defaultValue="2">
  <editor type="Dynamicweb.Content.Items.Editors.BoxedRadioEditor`1, Dynamicweb">
    <editorConfuguration><Parameters addin="Dynamicweb.Content.Items.Editors.BoxedRadioEditor`1[[System.String, System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]]" /></editorConfuguration>
  </editor>
  <options sourceType="Static">
    <Static>
      <option name="S" value="1" icon="" />
      <option name="M" value="2" icon="" />
      <option name="L" value="3" icon="" />
      <option name="XL" value="4" icon="" />
    </Static>
  </options>
</field>

Date picker (DateEditor):

<field name="Publish date" systemName="PublishDate" description="" type="System.DateTime, System.Private.CoreLib" excludeFromSearch="False">
  <editor type="Dynamicweb.Content.Items.Editors.DateEditor, Dynamicweb">
    <editorConfuguration><Parameters addin="Dynamicweb.Content.Items.Editors.DateEditor"><Parameter addin="Dynamicweb.Content.Items.Editors.DateEditor" name="ShowToggle" value="True" /></Parameters></editorConfuguration>
  </editor>
</field>

Child item list (ItemRelationListEditor):

<field name="Items" systemName="Items" description="" type="System.String, System.Private.CoreLib" excludeFromSearch="False">
  <editor type="Dynamicweb.Content.Items.Editors.ItemRelationListEditor, Dynamicweb">
    <editorConfuguration><Parameters addin="Dynamicweb.Content.Items.Editors.ItemRelationListEditor"><Parameter addin="Dynamicweb.Content.Items.Editors.ItemRelationListEditor" name="ItemType" value="MyPrefix_MyBlock_Item" /></Parameters></editorConfuguration>
  </editor>
</field>

Required validator (add inside <field> after </editor>):

<validators>
  <validator type="Dynamicweb.Content.Items.Validators.RequiredValidator, Dynamicweb" />
</validators>

Rules section

<rules>
  <!-- Which websites can use this item type (* = all) -->
  <rule name="Allow in websites" type="Dynamicweb.Content.Items.Activation.AreaRestrictionRule, Dynamicweb" value="*" />

  <!-- Which parent item types can contain this block (comma-separated systemNames) -->
  <rule name="Allowed parents" type="Dynamicweb.Content.Items.Activation.ParentItemTypeRestrictionRule, Dynamicweb" value="Swift-v2_Page,Swift-v2_Row" />

  <!-- Which item types can be children of this block (empty = no restriction) -->
  <rule name="" type="Dynamicweb.Content.Items.Activation.ChildItemTypeRestrictionRule, Dynamicweb" value="" />

  <!-- Leave these three at their defaults -->
  <rule name="Allowed children" type="Dynamicweb.Content.Items.Activation.ChildRestrictionRule, Dynamicweb" value="System.Collections.Generic.HashSet`1[System.String]" />
  <rule name="Allowed parent types" type="Dynamicweb.Content.Items.Activation.ParentRestrictionRule, Dynamicweb" value="" />
  <rule name="Allow in tree sections" type="Dynamicweb.Content.Items.Activation.SectionRestrictionRule, Dynamicweb" value="" />

  <!-- Whether the block inherits the page color scheme (true = yes) -->
  <rule name="" type="Dynamicweb.Content.Items.Activation.ColorSchemeRestrictionRule, Dynamicweb" value="true" />

  <!-- Paragraphs = content block (most common); Pages = page-level item -->
  <rule name="Enable item type for" type="Dynamicweb.Content.Items.Activation.StructureRestrictionRule, Dynamicweb" value="Paragraphs" />
</rules>

Common Allowed parents values:

Use case	Value
General content block	Swift-v2_Page,Swift-v2_Row
Usable everywhere (header, footer, product pages)	Swift-v2_Footer,Swift-v2_Header,Swift-v2_Page,Swift-v2_ProductComponent,Swift-v2_ProductDetails,Swift-v2_ProductList,Swift-v2_ProductListComponent,Swift-v2_Row
Child item (only inside a specific parent)	MyPrefix_MyBlock (the parent's systemName)

Layout groups

<layout>
  <groups>
    <group name="Content" systemName="Content" sectionName="" collapsibleState="None" visibilityField="" visibilityCondition="" visibilityConditionValueType="" visibilityConditionValue="">
      <fields>
        <field systemName="Title" />
        <field systemName="Text" />
      </fields>
    </group>
    <group name="Image" systemName="Image" sectionName="" collapsibleState="None" visibilityField="" visibilityCondition="" visibilityConditionValueType="" visibilityConditionValue="">
      <fields>
        <field systemName="Image" />
        <field systemName="AltText" />
      </fields>
    </group>
    <group name="Design" systemName="Design" sectionName="" collapsibleState="None" visibilityField="" visibilityCondition="" visibilityConditionValueType="" visibilityConditionValue="">
      <fields>
        <field systemName="Size" />
      </fields>
    </group>
  </groups>
</layout>

To conditionally show a group based on a checkbox field: set visibilityField to the checkbox's systemName and visibilityCondition to True or False.

Corresponding Razor template

Create the template at:

Files/Templates/Designs/Swift-v2/Paragraph/MyPrefix_MyBlock/MyPrefix_MyBlock.cshtml

The template inherits from ViewModelTemplate<ParagraphViewModel>. Access field values via Model.Item:

@inherits Dynamicweb.Rendering.ViewModelTemplate<Dynamicweb.Frontend.ParagraphViewModel>

@{
    var title     = Model.Item.GetString("Title");
    var text      = Model.Item.GetString("Text");
    var image     = Model.Item.GetString("Image");
    var showTitle = Model.Item.GetBoolean("ShowTitle");
}

@if (!string.IsNullOrEmpty(title) && showTitle)
{
    <h2>@Html.Raw(title)</h2>
}
@if (!string.IsNullOrEmpty(text))
{
    <div>@Html.Raw(text)</div>
}

Model.Item accessor methods:

Method	Returns	Use for
GetString("fieldName")	string	Text, RichText, Button, Link, Image, Dropdown — any string field
GetBoolean("fieldName")	bool	CheckboxEditor fields
GetInt32("fieldName")	int	IntegerEditor fields
GetDateTime("fieldName")	DateTime	DateEditor fields
GetValue("fieldName")	object	When the type is dynamic or unknown

Note: Model.Item is also available on PageViewModel for page-level ItemTypes. The same GetString / GetBoolean etc. methods work identically.

New ItemType — workflow checklist

1. Create Files/System/Items/ItemType_MyPrefix_MyBlock.xml
2. Create Files/Templates/Designs/Swift-v2/Paragraph/MyPrefix_MyBlock/MyPrefix_MyBlock.cshtml
3. Set Allowed parents in <rules> to include the Swift parent types where the block should appear
4. Restart the Dynamicweb application (or wait for an IIS recycle) — ItemTypes are discovered at startup
5. The new block appears in the paragraph picker in the admin under its category

Alternative: ItemTypes can also be created and edited via the admin UI at Settings → Areas → Content → Item types. The admin writes the same XML files on disk — useful for prototyping, but committing the XML file directly is preferable for source control.

---

Step 5 — Repositories (Search indexes, queries & facets)

Repositories live in Files/System/Repositories/<RepositoryName>/ and contain four file types that form a pipeline: .index → .query → .facets. A .task file (deprecated — prefer a Scheduled Task AddIn) triggers scheduled rebuilds.

Managed in admin at: Settings → System → Repositories

---

.index — Index definition

<?xml version="1.0" encoding="utf-8"?>
<Index Type="Dynamicweb.Indexing.Index, Dynamicweb.Core" Name="Products.index">
  <Settings />
  <Instances Balancer="Dynamicweb.Indexing.Balancing.LastUpdated">
    <Instance Name="Products"           Type="Dynamicweb.Indexing.Lucene.LuceneIndexProvider, Dynamicweb.Indexing.Lucene" />
    <Instance Name="Products secondary" Type="Dynamicweb.Indexing.Lucene.LuceneIndexProvider, Dynamicweb.Indexing.Lucene" />
  </Instances>
  <Builds Type="Dynamicweb.Ecommerce.Indexing.ProductIndexBuilder, Dynamicweb.Ecommerce">
    <Build Name="Full" Action="Full">
      <Setting Name="SkipPrices">True</Setting>
      <Setting Name="SkipImages">True</Setting>
      <Setting Name="BulkSize">500</Setting>
      <Setting Name="OnlyIndexActiveProducts">False</Setting>
      <Setting Name="HoursToUpdate">24</Setting>
      <Setting Name="HandleInheritedCategoryValues">True</Setting>
      <Setting Name="EmptyStringReplacement"></Setting>
      <Notification SenderName="" SenderEmail="" Subject="" Template="" SendLog="false" NotificationType="Never" />
    </Build>
    <Build Name="Partial" Action="Update">
      <Setting Name="HoursToUpdate">2</Setting>
      <!-- same settings as Full -->
    </Build>
  </Builds>
  <Schema>
    <Fields>
      <!-- Schema extender — adds all default fields for this index type -->
      <Extension Type="Dynamicweb.Ecommerce.Indexing.ProductIndexSchemaExtender, Dynamicweb.Ecommerce"
                 Stored="false" Analyzed="false" Indexed="false" Facetable="false" />

      <!-- Simple field — maps one source field to one index field -->
      <Field Source="ProductCategory|brand_information|Brand_name"
             Name="Brand_Facet" SystemName="Brand_Facet"
             Type="System.String" Stored="true" Analyzed="false" Indexed="true" Facetable="false" />

      <!-- Analyzed field for search (not for facets) -->
      <Field Source="ProductName" Name="ProductName_Search" SystemName="ProductName_Search"
             Type="System.String" Boost="5" Stored="false" Analyzed="true" Indexed="true" Facetable="false" />

      <!-- Copy/Summary field — aggregates multiple sources into one searchable field -->
      <Copy Sources="Name,Number,LongDescription,ShortDescription,ManufacturerName"
            Name="Free text search" SystemName="freetext"
            Type="System.String" Stored="false" Analyzed="true" Indexed="true" Facetable="false" />

      <!-- Grouping field — buckets a numeric source into named ranges -->
      <Grouping Source="ProductPrice" Name="Price Range" SystemName="PriceRange"
                Type="System.String" Stored="true" Analyzed="false" Indexed="true" Facetable="false">
        <Group Name="1 - 200"    From="0"    To="200" />
        <Group Name="200 - 500"  From="200"  To="500" />
        <Group Name="500 - 1000" From="500"  To="1000" />
        <Group Name="1000 +"     From="1000" To="100000" />
      </Grouping>

      <!-- Sort field — un-analyzed copy of a field needed for sorting -->
      <Field Source="ProductName" Name="NameForSort" SystemName="NameForSort"
             Type="System.String" Stored="true" Analyzed="false" Indexed="true" Facetable="false" />
    </Fields>
    <FieldTypes />
  </Schema>
  <Meta />
</Index>

Field attributes

Attribute	Purpose
Stored="true"	Value is kept in the index and can be retrieved
Indexed="true"	Field is searchable / filterable
Analyzed="true"	Value is tokenized (lowercased, split on spaces) — good for full-text, bad for facets
Facetable="false"	Rarely needed; facetability is controlled in the .facets file
Boost="5"	Multiplies relevance score for this field in full-text searches

Key rules:

• Facet fields must be Analyzed="false" — tokenizing destroys the values and breaks facet counts
• For sorting, create a separate un-analyzed <Field> alongside any analyzed search field
• EmptyStringReplacement — Lucene does not index null or empty strings; set a dummy value if you need to match "no value" in a query
• Always create two <Instance> elements — the LastUpdated balancer serves queries from the freshest one, so rebuilds never take the index offline

Build Type by index category

Index type	Builds Type
Products	Dynamicweb.Ecommerce.Indexing.ProductIndexBuilder, Dynamicweb.Ecommerce
Content	Dynamicweb.Content.ContentIndexBuilder, Dynamicweb
Users	Dynamicweb.UserManagement.Indexing.UserIndexBuilder, Dynamicweb.UserManagement
Files	(FileIndexBuilder)
SQL	(custom SqlIndexBuilder)

Build Action values

Action	Behaviour
Full	Rebuilds entire index from scratch
Update	Rebuilds products modified within HoursToUpdate
UpdateWithIds	System-triggered batch during product saves in PIM

Product index — fields auto-generated by ProductIndexSchemaExtender

Category	Field names
Identity	ID, VariantID, ProductKey, AutoID
Names	Name, Number, ShortDescription, LongDescription, ManufacturerName
Navigation	GroupIDs, GroupNames, ParentGroupIDs, ShopIDs, PrimaryGroupSort
Status	Active, LanguageID
Commerce	ProductPrice, BoughtWithProducts, OrderCount, AssortmentIDs, CampaignStartTime, CampaignEndTime
Stock	StockLocationProductAvailable
Variants	IsVariant, VariantGroup_VARGRP1, VariantGroup_VARGRP2, …
Relations	ProductRelationGroup_RELGRP1, ProductRelationGroup_RELGRP2, …
Category fields	ProductCategory|CategorySystemName|FieldSystemName
Media	DetailImages, ImagePatternImages, Images

---

.query — Query definition

<?xml version="1.0" encoding="utf-8"?>
<Query ID="3d8be144-b239-4d10-91c1-e19e0d6e6032" Name="Products.query">
  <Meta />
  <Settings />

  <!-- Parameters — optional filters; expressions are skipped when value is empty -->
  <Parameters>
    <Parameter Name="q"        Type="System.String" />
    <Parameter Name="GroupID"  Type="System.String[]"  DefaultValue="" />
    <Parameter Name="IsVariant" Type="System.Boolean[]" DefaultValue="" />
    <Parameter Name="Brand"    Type="System.String[]" />
    <Parameter Name="PriceRange" Type="System.String[]" DefaultValue="" />
  </Parameters>

  <!-- Source — points to the index this query runs against -->
  <Source Repository="ProductsFrontend" Item="Products.index"
          Type="Dynamicweb.Indexing.Queries.IndexQueryProvider, Dynamicweb.Core" />

  <SortOrder>
    <Sort Field="_score" Direction="Descending" />
  </SortOrder>

  <Expressions>
    <!-- AND-group: all children must match -->
    <GroupExpression Operator="And">

      <!-- Hard filter: always active products only -->
      <BinaryExpression Operator="Equal" Disabled="false">
        <Left><FieldExpression Field="Active" /></Left>
        <Right><ConstantExpression Value="True" Type="System.Boolean" /></Right>
      </BinaryExpression>

      <!-- Macro: auto-filter to current language -->
      <BinaryExpression Operator="Equal" Disabled="false">
        <Left><FieldExpression Field="LanguageID" /></Left>
        <Right><MacroExpression Lookup="Dynamicweb.Ecommerce.Context:LanguageID" /></Right>
      </BinaryExpression>

      <!-- Macro: auto-filter to current shop -->
      <BinaryExpression Operator="MatchAny" Disabled="false">
        <Left><FieldExpression Field="ShopIDs" /></Left>
        <Right><MacroExpression Lookup="Dynamicweb.Ecommerce.Context:ShopID" /></Right>
      </BinaryExpression>

      <!-- Parameter: optional group filter — skipped when GroupID is empty -->
      <BinaryExpression Operator="MatchAny" Disabled="false">
        <Left><FieldExpression Field="ParentGroupIDs" /></Left>
        <Right><ParameterExpression Name="GroupID" /></Right>
      </BinaryExpression>

      <!-- OR-group: free-text search across multiple fields -->
      <GroupExpression Operator="Or">
        <BinaryExpression Operator="Equal" Disabled="false">
          <Left><FieldExpression Field="ProductName_Search" /></Left>
          <Right><ParameterExpression Name="q" /></Right>
        </BinaryExpression>
        <BinaryExpression Operator="Contains" Disabled="false">
          <Left><FieldExpression Field="freetext" /></Left>
          <Right><ParameterExpression Name="q" /></Right>
        </BinaryExpression>
      </GroupExpression>

      <!-- Facet filter: Brand — skipped when Brand param is empty -->
      <BinaryExpression Operator="In" Disabled="false">
        <Left><FieldExpression Field="Brand_Facet" /></Left>
        <Right><ParameterExpression Name="Brand" /></Right>
      </BinaryExpression>

    </GroupExpression>
  </Expressions>

  <ViewFields />
  <ViewLanguages />
  <Meta />
  <CompletionRules />
  <CompletionLanguages />
  <ListViewFields />
</Query>

Parameters

Type	Usage
System.String	Single value (search term, ID)
System.String[]	Multiple values — all facet filters use this
System.Boolean[]	Multiple booleans (e.g. IsVariant)
System.Int32	Single integer
System.DateTime	Single date

• DefaultValue="" — expression is skipped when no value is passed (the standard pattern for optional filters)
• Omitting DefaultValue — expression only fires when the caller explicitly provides a value

Expression operators

Operator	Behaviour
Equal	Exact match; if test value is an array, acts like MatchAll
MatchAny	Field contains any of the test values
MatchAll	Field contains all of the test values
In	Array-only MatchAny — standard operator for System.String[] facet parameters
Contains	Partial match from the beginning of the value
ContainsExtended	Partial match anywhere — high overhead, use sparingly
IsEmpty	Field is empty or unset

Right-hand side expression types

XML element	Usage
<ParameterExpression Name="...">	Value comes from a query parameter (URL / facet)
<MacroExpression Lookup="...">	Dynamic context value — language, shop, user, assortments
<ConstantExpression Value="..." Type="...">	Hardcoded value
<TermExpression Value="..." Type="...">	An existing known field value

Common macros:

Macro	Returns
Dynamicweb.Ecommerce.Context:LanguageID	Current language ID
Dynamicweb.Ecommerce.Context:ShopID	Current shop ID
Dynamicweb.Ecommerce.Context:AssortmentIDs	Current user's assortment IDs
Dynamicweb.Frontend.PageView.Context:WebsiteID	Current website/area ID
Dynamicweb.UserManagement.Context:FavoritesAutoIdByUserId	Current user's favorited product AutoIDs

Sorting

• Direction: Ascending or Descending
• Field: any index field — must be Analyzed="false" to sort correctly
• _score is the Lucene relevance score field (default for search results)

---

.facets — Facet definition

<?xml version="1.0" encoding="utf-8"?>
<Facets Name="Products.facets">
  <Settings />
  <!-- Source — points to the query (not the index directly) -->
  <Source Repository="ProductsFrontend" Item="Products.query" />
  <Meta />

  <!-- Field facet: one option per unique value in the index field -->
  <Facet Name="Brand" Type="Field" Field="Brand_Facet" QueryParameter="Brand">
    <RenderType Name="Checkboxes" SystemName="Checkboxes" />
    <Visibility Status="AlwaysVisible" QueryParameter="" Condition="HasValue" MatchValue="" />
  </Facet>

  <!-- Colors render type -->
  <Facet Name="Color" Type="Field" Field="VariantGroup_VARGRP1" QueryParameter="Color">
    <RenderType Name="Colors" SystemName="Colors" />
    <Visibility Status="AlwaysVisible" QueryParameter="" Condition="HasValue" MatchValue="" />
  </Facet>

  <!-- Conditional visibility: only show when another parameter has a specific value -->
  <Facet Name="Gear model" Type="Field" Field="GearModel_facet" QueryParameter="Gear_Model">
    <RenderType Name="Checkboxes" SystemName="Checkboxes" />
    <Visibility Status="Conditionally" QueryParameter="Bike type" Condition="HasSpecificValue" MatchValue="Mountain" />
  </Facet>
</Facets>

Facet Type values

Type	Behaviour
Field	One option per unique value in the index field — standard
List	Groups values under custom labels (e.g. "Spring Colors" containing several values)
Term	Auto-generates from the 2048 most frequent values — for high-cardinality fields like tags

RenderType options (defined in FacetRenderOptions.xml)

Checkboxes, Colors, Range, Select, Tags, Icons, Images, Links, Number

Visibility settings

Status	Behaviour
AlwaysVisible	Always shown
Conditionally	Shown only when QueryParameter satisfies Condition

Condition values: HasValue (any value selected), HasSpecificValue (matches MatchValue)

Facet → query → index wiring rules

1. The facet Field must exist in the index schema as Analyzed="false" Indexed="true"
2. The facet QueryParameter must match a <Parameter Name="..." Type="System.String[]"> in the query
3. That parameter must be used with operator In in a BinaryExpression
4. URL values with commas, slashes, or spaces must be wrapped in brackets: &Color=[Red/Orange]&Color=[Blue, Navy]

---

Tasks (deprecated — use Scheduled Task AddIn instead)

.task files trigger index builds but are officially deprecated. Timing is imprecise (handler runs every 5 minutes).

Recommended approach: Use a standard Scheduled Task with the Repository build index AddIn — supports selecting the index and build type (Full/Partial) with reliable scheduling.

Legacy .task file format for reference:

<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<Task Type="Dynamicweb.Indexing.Tasks.IndexBuilderTaskProvider, Dynamicweb.Core"
      Start="1992-12-31 07:00:00" End="2999-12-31 23:59:59" Repeat="1440">
  <Parameters>
    <Index>Products.index</Index>
    <Build>Full</Build>
  </Parameters>
</Task>

Repeat is in minutes (1440 = daily).

---

Step 6 — Output format

When generating code, always:

1. State which extension type you are using and why
2. Show the complete class including namespace, using statements, and attributes
3. Call out the NuGet package(s) to reference
4. Note any admin configuration steps (e.g. "select this provider in Settings > Ecommerce > Prices")
5. Warn about upgrade impact if the approach requires ongoing maintenance
6. If multiple approaches are valid, present the trade-offs before generating

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Reference links

• Swift customization overview: https://doc.dynamicweb.dev/swift/customization/introduction.html
• Swift CSS design: https://doc.dynamicweb.dev/swift/customization/design-css.html
• Swift developer tools & git workflow: https://doc.dynamicweb.dev/swift/customization/developer-tools.html
• Dynamicweb extensibility overview: https://doc.dynamicweb.dev/documentation/extending/index.html
• Dynamicweb providers: https://doc.dynamicweb.dev/documentation/extending/providers.html
• Dynamicweb API reference: https://doc.dynamicweb.dev/api/
• Repositories (manual): https://doc.dynamicweb.dev/manual/dynamicweb10/settings/system/repositories/index.html
• Indexes (implementing): https://doc.dynamicweb.dev/documentation/implementing/repositories/indexes/index.html
• Queries (implementing): https://doc.dynamicweb.dev/documentation/implementing/repositories/queries/index.html
• Facets (implementing): https://doc.dynamicweb.dev/documentation/implementing/repositories/facets/index.html
• Product indexes: https://doc.dynamicweb.dev/documentation/implementing/repositories/indexes/productindexes.html