Earth WordPress Theme Event Categories

add_action( 'init', 'wpex_add_events_tax' );
function wpex_add_events_tax() {
	//events tax taxonomy labels
	$wpex_events_labels = array(
		'name' => __( 'Event Categories', 'wpex' ),
		'singular_name' => __( 'Event Category', 'wpex' ),
		'search_items' =>  __( 'Search Event Categories', 'wpex' ),
		'all_items' => __( 'All Event Categories', 'wpex' ),
		'parent_item' => __( 'Parent Event Category', 'wpex' ),
		'parent_item_colon' => __( 'Parent Event Category:', 'wpex' ),
		'edit_item' => __( 'Edit Event Category', 'wpex' ),
		'update_item' => __( 'Update Event Category', 'wpex' ),
		'add_new_item' => __( 'Add New Event Category', 'wpex' ),
		'new_item_name' => __( 'New Event Category Name', 'wpex' ),
		'choose_from_most_used'	=> __( 'Choose from the most used event categories', 'wpex' )
	);


	//register events cat tax
	register_taxonomy('events_cats','events',array(
		'hierarchical' => true,
		'labels' => apply_filters('wpex_events_tax_labels', $wpex_events_labels),
		'query_var' => true,
		'rewrite' => array( 'slug' => 'events-category' ),
	));
}