autoship_update_scheduled_order_shipping_address_invalid_fields (action)
(src/scheduled-orders.php) Allows customization to be added to the invalid notices returned when updating the shipping address on a Scheduled Order. It takes the $invalids (notices) and the (form) $fields as parameters.
Code
// Allow others to add on additional invalid notices do_action( 'autoship_update_scheduled_order_shipping_address_invalid_fields', $invalids, $fields );
Found in the Functions