In the bottom half of the editor, drop the message logger mediation primitive onto the canvas and wire the message flow so that each message goes through the logger, as shown in Figure 10.

在编辑器的下半部分，将MessageLogger中介元素拖放到画布并连接消息流，以便每条消息都经过日志程序，如图10所示。

youdao

In the bottom half of the editor, drop the message logger mediation primitive onto the canvas and wire the message flow so that each message goes through the logger, as shown in Figure 10.

在编辑器的下半部分，将MessageLogger中介元素拖放到画布并连接消息流，以便每条消息都经过日志程序，如图10所示。

youdao