Formula for Dimension parameter using lookup table

[Anonymous]

Could someone help with this problem. I am trying to add a formula in my parameter so I can pull the value from a lookup table. I have it a wall with the help file.

Thanks,

[robert.klempau]

Hello @Anonymous,

Have a look at these links:

Lookup Tables: A Formula for Success

Making Full Use of the Power of Lookup Tables

Look Up, There's a Table—The Demystification of Lookup Tables in Revit Families

If these do not help, just let me know so I can help you.