Prevent workflow next state

[peterg]

I think the hook you want is on_update and/or on_update_after_submit:

[How To] Catch Workflow State Change - Event Trigger

Hi, so I solved it. As @magic-overflow mentioned, workflow action doesn’t trigger form event in JS. It trigger on_update event in python. But in my case is workflow state changed also after submit, and then on_update event is not triggered. But i found thread where was written that if some fields are changed after submit, there is: def on_update_after_submit(self): which is triggered in this case. So If your workflow state is changing also after submit (or any other field - not only workflow…