Symptoms
Ending an instance or retrying current activity issue
Diagnoses
When needing to end workflow instance via button on the form(if it's possible, using existing smart objects). Likewise, you need a button that finds instance's current activitiy and retries it.
Is there currently a way to do this ?
Resolution
Unfortunately this is not possible at the moment via smartforms, the only way to do this at the moment would be via K2 workspace and doing a go to activity on the specific process instance that you would be using at the time.