I am trying to do a null check when creating an event action, but null check does not work for a null value. But if i check a string value it work very well.

I am trying to do a null check when creating an event action, but null check does not work for a null value. But if i check a string value it work very well.
I encountered the same problem using the OLD: and NEW: values - I was able to get “Custom attributes” to work for me. This is on the PurchChgOrdLine entity for example:
On the event:
On the event action:
Not sure if this helps your situation, but this worked in helping kick off a BPA workflow.
Thanks for your answer. It doesnt work for me becasue ı wanna create a event action which check the mandatory fields before entity is created
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