item title="Adapter to deliver tracing data to Zipkin." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/zipkin/>Zipkin</a></li><li role=none><a role=treeitem title="Adapter that always returns a precondition denial." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/denier/>Denier</a></li><li role=none><a role=treeitem title="An Istio Mixer adapter to send telemetry data to New Relic." href=/v1.5/docs/reference/config/policy-and-telemetry/adapters/newrelic/>New Relic</a></li><li 