WordPress at a glance
action is not described

create_(taxonomy) action-hook . WP 2.3.0

Fires after a new term is created for a specific taxonomy.

The dynamic portion of the hook name, $taxonomy, refers to the slug of the taxonomy the term was created for.

Usage

add_action( 'create_(taxonomy)', 'action_function_name_9440', 10, 2 );
function action_function_name_9440( $term_id, $tt_id ){
	// action...
}
$term_id(int)
Term ID.
$tt_id(int)
Term taxonomy ID.

Where the hook is called

wp_insert_term()
create_(taxonomy)
wp-includes/taxonomy.php 2196
do_action( "create_{$taxonomy}", $term_id, $tt_id );

Where the hook is used (in WP core)

Does not used.