Note lack of custom metric support in serverless mode
@@ -35,7 +35,8 @@ type Application interface {
RecordCustomEvent(eventType string, params map[string]interface{}) error
// RecordCustomMetric records a custom metric. The metric name you
- // provide will be prefixed by "Custom/".
+ // provide will be prefixed by "Custom/". Custom metrics are not
+ // currently supported in serverless mode.
//
// https://docs.newrelic.com/docs/agents/manage-apm-agents/agent-data/collect-custom-metrics
RecordCustomMetric(name string, value float64) error
