No other control words or text may appear within the destinationgroup.
在目标组中不能出现其它控制字或者文本。
2
The recipient of the messages can specify that they do not want to receive any of the messages in the group until all of them have arrived at the destination.
消息的接收者可以指定，在所有消息到达目的地之前，不希望接收组中的任何消息。
3
To invoke these components, your rule group needs to have references that you can connect to the destination components.