Thanks for your reply,

No, my SP only takes the one parameter (not any of the types you mention above), so I suspect it is the app that is doing things...

Thanks for you replies.

I had tried that and it worked as you described. I guess my question was not so much "will it work?", but "is it intended behaviour?"...

Thanks for the replies.

I just want to know if I can assume the fields are going to be the same for table-valued functions because in one part of my UI...