Issue #3171510 by quietone: Add documentation for default_bundle to destination\Entity

core/modules/migrate/src/Plugin/migrate/destination/Entity.php

@@ -14,6 +14,10 @@
 /**
  * Provides a generic destination to import entities.
  *
+ * Available configuration keys:
+ * - default_bundle: (optional) The bundle to use for this row if 'bundle' is
+ *   not defined on the row.
+ *
  * Examples:
  *
  * @code
@@ -44,8 +48,11 @@
  *   revision_timestamp: timestamp
  * destination:
  *   plugin: entity:node
+ *   default_bundle: custom
  * @endcode
  *
+ * This will save the processed, migrated row as a node of type 'custom'.
+ *
  * @MigrateDestination(
  *   id = "entity",
  *   deriver = "Drupal\migrate\Plugin\Derivative\MigrateEntity"

core/modules/migrate/src/Plugin/migrate/destination/EntityContentBase.php

@@ -84,6 +84,7 @@
  *   validate: true
  * @endcode
  *
+ * @see \Drupal\migrate\Plugin\migrate\destination\Entity
  * @see \Drupal\migrate\Plugin\migrate\destination\EntityRevision
  */
 class EntityContentBase extends Entity implements HighestIdInterface, MigrateValidatableEntityInterface {