Is it possible to return a workflow task to the "pending" status after it was set to another status?

Document ID : KB000014293
Last Modified Date : 14/02/2018
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Question:

Is it possible to return a workflow task to the "pending" status after it was set to another status?

Answer:

It is not possible to return a task to the status "pending".  By product design, the "pending" means waiting acknowledgement, so once it was modified it means that it is no longer pending for acknowledgement.

One would need to use / create a different status code like "On Hold" which would match a similar requirement.