I'm trying to create a workflow that as a step will email the user that gets set in the field "assigned to" on a task list. This will not be set by the creator, it will be set after the item is created.
Most solutions I've found reference using a "wait for field change in current item" step but in SP 2013 you can only have "equal" rather than setting it to "is not null" and have to select a user which we won't know who the user is.
The last comment in this thread seems promising but I'm having no luck with it? This thread also seems like a decent idea, but my "assigned to" field will not be populated to start with and I'm having no luck comparing null fields to each other.
Has anyone had any experience building a workflow like this?
UPDATE Here's what I was able to get working in my environment.