title: how to use Istio API Key for authorisation to a service?
body: <p>I found the following documentation on istio on how to create an API Key </p>
  
  <p><a href="https://istio.io/docs/reference/config/policy-and-telemetry/templates/apikey/" rel="nofollow noreferrer">https://istio.io/docs/reference/config/policy-and-telemetry/templates/apikey/</a></p>
  
  <p>But i am unable to find any documentation or examples on how to use the thing to secure a service.</p>
  
  <p>Can anyone help?</p>