Fill in a value for shared Parameter i created with a prefix

Revit
1

I am trying to get dynamo to fill in a number value with a BX prefix. It is for a shared parameter i created. Trying to get it to add a different number value to every instance of a family in my project. Similar to a “Mark” in revit but only for a certain family and with the BX prefix before each number. Any input would be helpful. Thanks!

2

Hi @bharlow1986

Here is one of the possible way…

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3

Thanks @Kulkul. This is my first attempt at dynamo, thanks for taking the time to get me started.