Thanks. And as an alternative, is id sequential such that I could find the MAX(id) and it be the most recent entry in the collection?
I found the solution. You append ?proj=insert-encoded-json-here to the $url variable.
You can construct that value with Projection as shown here:
http://devcenter.appery.io/documentat...
Link doesn't appear to be working...
http://docs.appery.io/documentation/c...
So no paypal either?