WordPress at a glance
action is not described

woocommerce_variation_set_stock action-hook . WC 1.0

Fire actions to let 3rd parties know the stock changed.

Usage

add_action( 'woocommerce_variation_set_stock', 'action_function_name_3312' );
function action_function_name_3312( $product_with_stock ){
	// action...
}
$product_with_stock
-

Where the hook is called

wc_update_product_stock()
woocommerce_variation_set_stock
WC_Product_Data_Store_CPT::handle_updated_props()
woocommerce_variation_set_stock
woocommerce/includes/wc-stock-functions.php 61
do_action( 'woocommerce_variation_set_stock', $product_with_stock );
woocommerce/includes/data-stores/class-wc-product-data-store-cpt.php 663
do_action( 'woocommerce_variation_set_stock', $product );

Where in WP core the hook is used WooCommerce

Usage not found.