Process Model not starting

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1

I have built a process model on WM 8.0. The process is simple and starts with a known Trading Networks document. The document is recognized by TN but the process is not started.

The “Allow this step to start a process instance” is on.

Any help is appreciated.

2

It is missing the conversation ID. How do I create a conversation id for a doc type?

3

Extract some unique field from incoming TN document as a conversation ID

4

Thank you