> ## Documentation Index
> Fetch the complete documentation index at: https://botmesh.afaya.com.co/llms.txt
> Use this file to discover all available pages before exploring further.

# CheckpointTrace

> Interface exported by @botmesh/core/spi.

Defined in: [telemetry/w3c.ts:26](https://github.com/andresayac/botmesh/blob/main/packages/core/src/telemetry/w3c.ts#L26)

A span context as stored in a checkpoint (`FlowCheckpoint.trace`).

## Properties

### traceparent

```ts theme={null}
traceparent: string;
```

Defined in: [telemetry/w3c.ts:28](https://github.com/andresayac/botmesh/blob/main/packages/core/src/telemetry/w3c.ts#L28)

W3C `traceparent` of the turn that wrote the checkpoint.

***

### tracestate?

```ts theme={null}
tracestate?: string;
```

Defined in: [telemetry/w3c.ts:30](https://github.com/andresayac/botmesh/blob/main/packages/core/src/telemetry/w3c.ts#L30)

W3C `tracestate` of that turn, when its tracer reports one.


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