WordPress at a glance
filter is not described

wp_update_term_data filter-hook . WP 4.7.0

Filters term data before it is updated in the database.

Usage

add_filter( 'wp_update_term_data', 'filter_function_name_9991', 10, 4 );
function filter_function_name_9991( $data, $term_id, $taxonomy, $args ){
	// filter...

	return $data;
}
$data(array)
Term data to be updated.
$term_id(int)
Term ID.
$taxonomy(string)
Taxonomy slug.
$args(array)
Arguments passed to wp_update_term().

Where the hook is called

wp_update_term()
wp-includes/taxonomy.php 2743
$data = apply_filters( 'wp_update_term_data', $data, $term_id, $taxonomy, $args );

Where the hook is used (in WP core)

Does not used.