1 <?xml version='1.0' encoding='utf-8'?>

     2 <OPCUAClient xmlns:xsd="http://www.w3.org/2001/XMLSchema">

     3   <AuthType>

     4     <x509 Certificate="my_cert.der" PrivateKey="my_private_key.pem">

     5       <Policy/>

     6       <Mode/>

     7     </x509>

     8   </AuthType>

     9 </OPCUAClient>