woocommerce_bulk_edit_variations_default action-hook . WC 1.0

Usage

add_action( 'woocommerce_bulk_edit_variations_default', 'action_function_name_8865', 10, 4 );
function action_function_name_8865( $bulk_action, $data, $product_id, $variations ){
	// action...
}

$bulk_action

-

$data

-

$product_id

-

$variations

-

Where the hook is called

do_action( 'woocommerce_bulk_edit_variations_default', $bulk_action, $data, $product_id, $variations );

Where in WP core the hook is used WooCommerce