Issue #2741385 by mikeryan, benjy: Add getter for migration_tags

core/modules/migrate/src/Plugin/Migration.php

@@ -173,6 +173,13 @@ class Migration extends PluginBase implements MigrationInterface, RequirementsIn
    */
   protected $requirements = [];
 
+  /**
+   * An optional list of tags, used by the plugin manager for filtering.
+   *
+   * @var array
+   */
+  protected $migration_tags = [];
+
   /**
    * These migrations, if run, must be executed before this migration.
    *
@@ -713,4 +720,11 @@ class Migration extends PluginBase implements MigrationInterface, RequirementsIn
     return $this->destinationIds;
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function getMigrationTags() {
+    return $this->migration_tags;
+  }
+
 }

core/modules/migrate/src/Plugin/MigrationInterface.php

@@ -374,4 +374,12 @@ interface MigrationInterface extends PluginInspectionInterface, DerivativeInspec
    */
   public function getDestinationIds();
 
+  /**
+   * The migration tags.
+   *
+   * @return array
+   *   Migration tags.
+   */
+  public function getMigrationTags();
+
 }