Pass a name into a formula

I tried this as the formula but it is still throwing a formula error

Hey David. With the current formula engine, you can't use tags within tags in the same formula (Example - [Tag 1 [Tag 2]]). I think we plan to address this in the future. For your use case, it may be easier to set an "Alt Name" on the sibling takeoff and reference that instead of the computed name.

oh man, such a simple solution. Don't know why I didn't think of that.