e><code class=language-yaml data-expandlinks=true data-repo=istio>extensionProviders:
# The name &#34;my-ext-authz-service&#34; is referred to by the authorization policy in its provider field.
- name: &#34;my-ext-authz-service&#34;
  # The &#34;envoyExtAuthzGrpc&#34; field specifies the type of the external authorization service is implemented by the Envoy
  # ext-authz filter gRPC API. The other supported type is the Envoy ext-authz filter HTTP API.
  # See more in https://www.envoyproxy.io/docs/envoy/v1.