WordPress at a glance
action is not described

clean_object_term_cache action-hook . WP 2.5.0

Fires after the object term cache has been cleaned.

Usage

add_action( 'clean_object_term_cache', 'action_function_name_5169', 10, 2 );
function action_function_name_5169( $object_ids, $object_type ){
	// action...
}
$object_ids(array)
An array of object IDs.
$object_type(string)
Object type.

Where the hook is called

clean_object_term_cache()
wp-includes/taxonomy.php 2988
do_action( 'clean_object_term_cache', $object_ids, $object_type );

Where the hook is used (in WP core)

Does not used.