Relate boolean YES/NO parameters

[sebas_alva_g]

Hi! 

I am modeling a table family and would like that when one parameter is visible (with top chairs), the other one goes invisible (no top chairs), and vice-versa. May you have a solution, please?

Thanks! 

[ToanDN]

Edited: Use formula for no top chair parameter:

not (with top chairs)

https://www.revitforum.org/forum/revit-all-flavors/tutorials-tips-tricks/1126-revit-formulas-for-eve...

[sebas_alva_g]

Thanks! Something is not working. I tried several options with parenthesis and brackets. Do you know the correct one please? 

[GaryOrrMBI]

=not(with top chairs)

-G

[sebas_alva_g]

that made it thank you!

[sebas_alva_g]

And what about the opposite, having a parameter checked automatically when another one is checked, for example, when "with top chairs" is checked, have "top clearance" also checked automatically? "Yes" did not make it

[sebas_alva_g]

Just making it equal solved it! Thanks 

[Alfredo_Medina]

If you just make types for each configuration, you won't need formulas. Simply make the visibility parameter as Type parameters, and check the correspondent option for each possible configuration of the table.