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。
2
Since ProcessAction does not modify the message, specify body \ MyAction \ connector for the Root property of the WBE primitive, and save the project.