-system
spec:
  runtime_config:
    check_cache_size: 200
    check_result_expiration: 60s
  credential_path: &quot;/path/to/token.json&quot;
  service_configs:
    - mesh_service_name: &quot;echo.local.svc&quot;
      google_service_name: &quot;echo.endpoints.cloud.goog&quot;
      quotas:
        - name: ratelimit.quota.istio-system
          google_quota_metric_name: read-requests
          expiration: 1m
</code></pre><table class="message-fields"><thead><tr><th>Field</th><th>Type</th><th>Description</th