woocommerce_queue_class filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_queue_class', 'filter_function_name_2414' );
function filter_function_name_2414( $self::$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 in WP core the hook is used WooCommerce