CmdID / PowerShell / Cmdlets / Get
Get-GPResultantSetOfPolicy
Gets and writes the RSoP information for a user, a computer, or both to a file. Windows Server PowerShell reference
From the Windows Server PowerShell reference 4 parameters Its page in the reference
Parameters
-ComputerSpecifies the name of the computer for which to generate the report.-PathSpecifies the path to the report file; for instance, c:\Reports\GpRsopReport.xml.-ReportTypeSpecifies the format of the RSoP report.-UserSpecifies the user name of the user for which to generate the report.