Covers Bitrix module sprint.migration — Version migrations, HelperManager (Iblock/Hlblock/Option/Agent/…), builders (run), CLI migrate.php (add/ls/up/down/redo/mark), configs migrations.*.php, restartable batches, exchange dirs. Use when creating or applying DB/schema/content migrations, exporting iblock/HL/options via builders, or debugging migration state. Key terms — sprint.migration, Version, up/down, HelperManager, saveIblock, saveHlblock, migrate.php, version builders, migration_dir.
CAgent, addBackgroundJob, Messenger brokers/queues. Use for deferred and async processing.
Covers business processes (bizproc) — start/stop workflows from PHP, document types, custom activities in /local/activities/, boundary vs agents/Messenger; mentions bizprocdesigner. Applied for approvals, document workflows, automation activities. Key terms — CBPDocument, CBPRuntime, CBPWorkflow, CBPActivity, document type, Starter, workflow template, activities.
Covers caching in Bitrix — Cache (unmanaged), ManagedCache, TaggedCache, ORM auto-cache, component cache via startResultCache/endResultCache, Composite Site, cache engine configuration (files, memcached, redis) in .settings.php. Applied when optimizing performance, invalidating by tags and events, setting TTL, cache warm-up, and debugging cache hits. Key terms — cache, invalidate, TaggedCache, ManagedCache, startResultCache, cacheDir, clean.
Covers Trade Catalog module — products, SKU/offers, prices, inventory, discounts, bundles, export/import, catalog API choice. Applied for e-commerce features requiring prices, stock, and sale integration. Key terms — catalog, product, SKU, offer, price type, CCatalogProduct, catalog module.
Covers CMS fundamentals — sites, site templates, menus, page templates, includes, breadcrumbs, user groups, user fields, admin panel. Applied for site structure and content management tasks. Key terms — CSite, template, menu, include area, user field, UF.
Bitrix components: class.php, templates, cache, SEF, Controllerable AJAX. Use when building or editing components.
Covers Bitrix CLI tools — php bitrix/bitrix.php, generators make:module/make:controller/make:tablet/make:entity/make:service/make:event/make:eventhandler/make:message/make:messagehandler/make:component/make:request, kernel commands (orm:annotate, messenger:consume, translate:index), creating custom commands on Symfony Console and registering them in the console section of module .settings.php. Applied for scaffolding new code, cron tasks, writing custom CLI commands, and running queue workers. Key terms — bitrix.php, make command, Symfony Console, CLI, command, console namespace.