> ## Documentation Index
> Fetch the complete documentation index at: https://docs.galileo.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# MetricsOptions

***

# Interface: MetricsOptions

Defined in: [src/types/logging/step.types.ts](https://github.com/rungalileo/galileo-js/blob/main/src/types/logging/step.types.ts)

## Extended by

* [`LlmMetricsOptions`](/sdk-api/typescript/reference/types/interfaces/LlmMetricsOptions)

## Indexable

```ts theme={null}
[key: string]: undefined | MetricValueType
```

## Properties

### durationNs?

```ts theme={null}
optional durationNs: number;
```

Defined in: [src/types/logging/step.types.ts](https://github.com/rungalileo/galileo-js/blob/main/src/types/logging/step.types.ts)