woocommerce_product_options_advanced action-hook . WC 1.0

Usage

add_action( 'woocommerce_product_options_advanced', 'action_function_name_3121' );
function action_function_name_3121(){
	// action...
}

Where the hook is called

<?php do_action( 'woocommerce_product_options_advanced' ); ?>

Where in WP core the hook is used WooCommerce