WordPress at a glance
action is not described

woocommerce_new_product_variation action-hook . WC 1.0

Usage

add_action( 'woocommerce_new_product_variation', 'action_function_name_2376', 10, 2 );
function action_function_name_2376( $id, $product ){
	// action...
}
$id
-
$product
-

Where the hook is called

WC_Product_Variation_Data_Store_CPT::create()
woocommerce_new_product_variation
woocommerce/includes/data-stores/class-wc-product-variation-data-store-cpt.php 181
do_action( 'woocommerce_new_product_variation', $id, $product );

Where in WP core the hook is used WooCommerce

Usage not found.