WordPress at a glance
action is not described

rest_after_insert_attachment action-hook . WP 5.0.0

Fires after a single attachment is completely created or updated via the REST API.


add_action( 'rest_after_insert_attachment', 'action_function_name_1395', 10, 3 );
function action_function_name_1395( $attachment, $request, $creating ){
	// action...
Inserted or updated attachment object.
Request object.
True when creating an attachment, false when updating.

Where the hook is called

wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php 202
do_action( 'rest_after_insert_attachment', $attachment, $request, true );
wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php 249
do_action( 'rest_after_insert_attachment', $attachment, $request, false );

Where the hook is used (in WP core)

Does not used.