tcode WE19, choose an existing IDOC in the system:

Just change the existing IDOC Service Order ID to a new one.
Old value: 8000000011

New value: 9000000011
Click button "Inbound Function Module",



callstack:

Once done, a new IDOC is generated:

The manually specified service Order ID is contained in this new IDOC:

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来源:https://www.cnblogs.com/sap-jerry/p/12038123.html