woocommerce_cart_fragment_name filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_cart_fragment_name', 'filter_function_name_3497' );
function filter_function_name_3497( $string ){
	// filter...

	return $string;
}

$string

-

Where the hook is called

'fragment_name'   => apply_filters( 'woocommerce_cart_fragment_name', 'wc_fragments_' . md5( get_current_blog_id() . '_' . get_site_url( get_current_blog_id(), '/' ) . get_template() ) ),

Where in WP core the hook is used WooCommerce