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[Home](./index.md) &gt; [fastify-metrics](./fastify-metrics.md) &gt; [IRouteMetricsConfig](./fastify-metrics.iroutemetricsconfig.md) &gt; [registeredRoutesOnly](./fastify-metrics.iroutemetricsconfig.registeredroutesonly.md)

## IRouteMetricsConfig.registeredRoutesOnly property

Collect metrics only for registered routes. If `false`<!-- -->, then metrics for unknown routes `/unknown-unregistered-route` will be collected as well.

**Signature:**

```typescript
registeredRoutesOnly?: boolean;
```

## Default Value

`true`