woocommerce_queue_class │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_queue_class', 'wp_kama_woocommerce_queue_class_filter' );

/**
 * Function for `woocommerce_queue_class` filter-hook.
 * 
 * @param  $self::$default_cass 
 *
 * @return 
 */
function wp_kama_woocommerce_queue_class_filter( $self::$default_cass ){

	// filter...
	return $self::$default_cass;
}

$self::$default_cass

-

Where the hook is called

return apply_filters( 'woocommerce_queue_class', self::$default_cass );

Where the hook is used in WooCommerce