CmdID / PowerShell / Cmdlets / Get
Get-SecureBootUEFI
Gets the UEFI variable values related to Secure Boot. Windows Server PowerShell reference
From the Windows Server PowerShell reference 2 parameters Its page in the reference
Parameters
-Name, -nSpecifies the name of the UEFI environment variable.-OutputFilePath, -fSpecifies the output file path of the UEFI environment variable.