This video demonstrates how to send a Proposal from Autodesk Forma to Revit:
This feature is also described in this quick read blog post:
Interoperability workflow between Forma and Revit - Autodesk Forma
The Forma Add-in for Revit allows users to transfer their Forma geometry into Revit through the "Send to Revit" feature.
blogs.autodesk.com
Forma Revit Add-In.msi
drive.google.com