Hello,

I have attempted to write a custom validation rule to check that at least one field out of two fields is filled in. The requirement is for the user to have to enter data into either field or both but not both of them left blank.

I started by basing my validation rule on the ‘match’ rule which compares two fields which I found in the Piklist_Validate class.

However, after much head scratching I have discovered that Piklist does not run validation on fields if there is no value in the field.

The form is saved using a custom scope via the action hook piklist_save_field-{$scope}. This runs at the end of Piklist_Form::save(). Is there some way I can in my action add my own field errors for the page to render since it looks like I cannot use a validation rule or callback?

Or is there some other workaround? I don’t want to have to edit the Framework to achieve what I need ideally.

Thanks everyone!