Creating a folder with the %computername% inside Windows Group Policy Editor

Question

I'm trying to turn on PowerShell Transcription in our network, and I want to save all the directory in a file server with the computername. I'll try to use the gloabl variables but it's not funtions; the system create the directory but it write %COMPUTERNAME% and not the real PC name.

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You have any idea how can i solve this problem without use PowerShell script or similar?