I add global rule button on Cases Workflow to send message and send this message on email ,
I add Send email and Fill all boxes in Email But the Box To Email sometimes is empty and sometimes is filling email ,So
I add new field in case for To email and fill this field from my procedure when add case before click to on send email the field called #case_personemail#
Why sometimes take email on To email and sometimes isn't take email on To email ,Although the CC on email always filling correct
Please Help me