Investing two weeks to learn the fundamentals of Dynamo will pay back a thousand-fold over the course of a project. Whether you are a student, a junior architect, or a BIM Manager, the ability to write a Dynamo script transforms you from a user of Revit into a controller of Revit.
In the Dynamo Library, search for Categories . Select Categories . Then search for All Elements of Category . Connect the Categories output to the Category input of All Elements of Category . Change the category drop-down to "Doors." dynamo revit script