In the deatil view of UWL (which opens as popup when one clicks on a WI), I want to add a comments field (text area where user can enter few text lines)such that approver of the WI can enter appropriate comments before approving or rejecting.
The easiest way for this would probably be that you start using user decision task and add a user decision note to it. Take a look into UserDecisionHandler for UWL.
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