I am trying to make an Approval Status dropdown box required to be filled out. I have created a rule for this
and(isNullOrEmpty({Self}), not(equals({ItemProperty:Form_x0020_Status}, "Creation")))
but I am not sure why it is not working. I only want the Approval Status to be required, if it's not in the Creation form status. Once someone submits a form, I want a manager to go in and change the Approval Status but right now it is not being required.
Here is what the form looks like below: