Hi. This is what I have done in this case.
Create a shared instance parameter called Volume in the beam family. Use a formula for that parameter = b x h x L.
Add the shared parameter to your tag formula and place it where needed.
If this solves your problem, please accept as solution.
Log into access your profile, ask and answer questions, share ideas and more. Haven't signed up yet? Register
Start with some of our most frequented solutions to get help installing your software.