Hi @Navas Shereef ,
Use this PnP PowerShell command to set it:
Set-PnPDefaultColumnValues -List <ListPipeBind> -Field <FieldPipeBind> -value <String[]> -folder <String>
Example1:
Set-PnPDefaultColumnValues -List Documents -Field testchoice -value "A","#B","#C" -folder "testFolder"
Example2:
Set-PnPDefaultColumnValues -List Documents -Field testchoice -value "A","#B" -folder "testFolder"
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