I would love the answer to this as well.
I've tried figuring this out via the all-fields=true parameter, but that doesn't seem to actually return any extra fields? E.g.,
Doesn't seem to get me anything extra. Am I misusing that flag?
In particular, my problem is that I want to filter by destinationActionObject.name. However, I can't figure out how to access that field, or even get it listed as an additional field. The query:
Gives the error that that field does not exist. So a list of full field names, or any help otherwise, would be most welcome.