woocommerce_product_options_related action-hook . WC 1.0

Usage

add_action( 'woocommerce_product_options_related', 'action_function_name_9351' );
function action_function_name_9351(){
	// action...
}

Where the hook is called

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

Where in WP core the hook is used WooCommerce