Same name and namespace in other branches
  1. 8.9.x core/modules/migrate/src/Event/MigrateEvents.php \Drupal\migrate\Event\MigrateEvents::PRE_IMPORT
  2. 9 core/modules/migrate/src/Event/MigrateEvents.php \Drupal\migrate\Event\MigrateEvents::PRE_IMPORT

Name of the event fired when beginning a migration import operation.

This event allows modules to perform an action whenever a migration import operation is about to begin. The event listener method receives a \Drupal\migrate\Event\MigrateImportEvent instance.

See also

\Drupal\migrate\Event\MigrateImportEvent

Related topics

Events
Overview of event dispatch and subscribing

File

core/modules/migrate/src/Event/MigrateEvents.php, line 64

Class

MigrateEvents
Defines events for the migration system.

Namespace

Drupal\migrate\Event

Code

const PRE_IMPORT = 'migrate.pre_import';