With the 7.1.9 it's possible to choose a data type and the form is automatically composed by all the data types' fields.

It will then create a new section with an auto complete (based on the look up report definition), 7.1.9 below :

With the same data type, just drag and drop the data type on the form we will display just a field like this (7.2 below) :

We need previously to create a field group (from the data model tab), insert it on the form, and a new param...