        ng-model="data.extra_config[config_namespace].exporters.newrelic.spans_url">
                <option value="https://trace-api.newrelic.com/trace/v1">US (trace-api.newrelic.com)</option>
                <option value="https://trace-api.eu.newrelic.com/trace/v1">EU (trace-api.eu.newrelic.com)</option>
              </select>
              <span class="help-block">New Relic might use different endpoints to report traces from its customers depending on the location of their accounts</span>
            <