Tab Builder get User Specified Name

I want to modify the "User Specified Name" in the Configuration Properties tab using Property Tab Builder (PTB).

Can I change "User Specified Name" using PTB?

To read the field I use: \$PRP:"SW-BOM Part Number" in PTB.

I made a custom property called "PNumber" and write \$PRP:"SW-BOM Part Number"  to it.

Do I have to update it with an equation?

If so, what would the equation look like?

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