$certificateBlob = # Create a public key certificate blob in Base64 format. 
$publicKeyManagementServiceRef = $wsmanConnectionObject.NewReference("SELECT * FROM AMT_PublicKeyManagementService WHERE Name='Intel(r) AMT Public Key Management Service'")
$inputCertificate = $publicKeyManagementServiceRef.CreateMethodInput("AddCertificate")
$inputCertificate.AddProperty("CertificateBlob", $certificateBlob)
$outputObject = $publicKeyManagementServiceRef.InvokeMethod($inputCertificate)
$returnValue = $outputObject.GetProperty("ReturnValue")
if($returnValue -like "0")
{
	$publicKeyCertificateRef = $outputObject.GetProperty("CreatedCertificate").Ref   
}