# MetricSink

`import { MetricSink } from "destack:telemetry";`

Metric entry sink.

```ds title="MetricSink"
export newtype interface MetricSink {
    write(entry: &'b readonly MetricEntry): void;
}
```

[language/library/src/telemetry/metric.ds:8:11](https://github.com/destack-sh/destack/blob/main/language/library/src/telemetry/metric.ds#L8-L11)

## Members

### `write(entry: &'b readonly MetricEntry): void`

Write one metric entry.