This filter is applied to use the taxonomy to get labels for, it is including one parameter, is containing an array.
array( ‘addon_category’, ‘fooditem_tag’, ‘food-category’ ).
An example of how you can append additional information:
function allowed_fooditem_taxonomies( $taxonomy ) { // its return allowed fooditem taxonomy; $taxonomy = get_taxonomy( $taxonomy ); return $taxonomy; } add_filter( 'rpress_allowed_fooditem_taxonomies', 'allowed_fooditem_taxonomies', 10,1 );