Hi there,

I am writing some prototype code using Ruote.  I am trying to
understand how to coordinate a workflow using some kind of participant
ID.

This is my scenario:

1) Create a worflow instance with engine.launch(...)
2) A participant task emails a user with a link to a form.  embedded
in that URL is an identifier that maps back to a form.  Example:
foo.com/survey/49/?wfid=abc.  In this case I am using a custom
Participant that doesn't return immediately to engine, e.g the consume
method send email but does not call return_to_engine.
3) User fills out form.
4) web server records the form response and tells the workflow to
continue.

How do I do step 4?  In other words, how do I tell the engine with a
specific workflow ID that a specific participant should now complete?
I see that I can lookup a workflow instance by the wfid, but I can't
see how to invoke a specific participant to continue processing.

If this description isn't clear enough let me know and I'll post some
sample code.

Thanks,
Carl

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