The mapping root determines which part of the primitive input message is used as the mapping input and which part of the primitive output message is used as the mapping output.

映射根确定原语输入消息的哪个部分被用作映射输入，以及原语输出消息的哪个部分用作映射输出。

youdao

Since ProcessAction does not modify the message, specify body \ MyAction \ connector for the Root property of the WBE primitive, and save the project.

由于ProcessAction不修改该消息，将WBE原语的Root属性指定为body \MyAction \connector，然后保存项目。

youdao

Since ProcessAction does not modify the message, specify body \ MyAction \ connector for the Root property of the WBE primitive, and save the project.

由于ProcessAction不修改该消息，将WBE原语的Root属性指定为body \MyAction \connector，然后保存项目。

youdao