$setupAndConfigurationServiceRef = $wsmanConnectionObject.NewReference("SELECT * FROM AMT_SetupAndConfigurationService WHERE Name='Intel(r) AMT Setup and Configuration Service'")
$inputObject = $setupAndConfigurationServiceRef.CreateMethodInput("SetTLSPSK")
$inputObject.SetProperty("PID", "AAAAAAAAAAA=")
$inputObject.SetProperty("PPS", "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=") 
$outputObject = $setupAndConfigurationServiceRef.InvokeMethod($inputObject)
$returnValue = $outputObject.GetProperty("ReturnValue")