How to pass additional parameters to an email when changing an order?

Question

1C-Bitrix

this event does not work AddEventHandler("sale", "OnSaleStatusOrderChange", "bxModifySaleMails");

AddEventHandler("sale", "OnOrderNewSendEmail", "bxModifySaleMails");
/*AddEventHandler("sale", "OnSaleStatusOrderChange", "bxModifySaleMails");*/
function bxModifySaleMails($orderID, &$eventName, &$arFields)
{
$order_props = CSaleOrderPropsValue::GetOrderProps($orderID)->Fetch();

$arFields["DELIVERY_TIME"] = $order_props["DELIVERY_TIME"];
}

Answer 1

You need the OnBeforeEventAdd
event In the handler, check the passed mail event type for the one you use to notify about order changes, and add the required fields