Jad El-Zein and Cody De Arkland continue their discussion of Custom Forms in a hands on deep dive.

Jad wrote a detailed implementation guide for vRA. It is available at http://www.virtualjad.com/2017/02/vra-7-2-detailed-implementation-video-guide.html

vRA Customizing Blueprint Request Forms Documentation

https://docs.vmware.com/en/vRealize-Automation/7.4/com.vmware.vra.prepare.use.doc/GUID-7906CCD5-38D3-4ECA-BFE4-8A1BC690FD74.html