I need to make file attachment mandatory in Lead object (Attachments and notes) at Sales in progress stage. If there isn't any file attached I need to prohibit user to go to the next stage. Any suggestions?
I am so sorry for misunderstanding. Currently such an option can't be achieved but i am sure we will do our best to add such a feature in future releases.
Yana, you can achieve this in a business process in front end when the stage is changed and the file is missing then you roll back to the previous...MoreLess