WordPress at a glance
action is not described

woocommerce_product_duplicate_before_save action-hook . WC 3.0

This action can be used to modify the object further before it is created - it will be passed by reference.

Usage

add_action( 'woocommerce_product_duplicate_before_save', 'action_function_name_8511', 10, 2 );
function action_function_name_8511( $duplicate, $product ){
	// action...
}
$duplicate
-
$product
-

Changelog

Since 3.0 Introduced.

Where the hook is called

WC_Admin_Duplicate_Product::product_duplicate()
woocommerce_product_duplicate_before_save
woocommerce/includes/admin/class-wc-admin-duplicate-product.php 175
do_action( 'woocommerce_product_duplicate_before_save', $duplicate, $product );
woocommerce/includes/admin/class-wc-admin-duplicate-product.php 208
do_action( 'woocommerce_product_duplicate_before_save', $child_duplicate, $child );

Where in WP core the hook is used WooCommerce

Usage not found.