> ## 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.

# PresenceProbe

> Interface exported by @botmesh/core/testing.

Defined in: [testing/capabilityContract.ts:115](https://github.com/andresayac/botmesh/blob/main/packages/core/src/testing/capabilityContract.ts#L115)

Target of [checkPresenceWhileDisconnected](https://botmesh.afaya.com.co/api/core/testing/functions/checkPresenceWhileDisconnected.md): a chat for `typing()`, a message for `markRead()`.

## Properties

### chatId

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

Defined in: [testing/capabilityContract.ts:116](https://github.com/andresayac/botmesh/blob/main/packages/core/src/testing/capabilityContract.ts#L116)

***

### ref?

```ts theme={null}
ref?: MessageRef;
```

Defined in: [testing/capabilityContract.ts:118](https://github.com/andresayac/botmesh/blob/main/packages/core/src/testing/capabilityContract.ts#L118)

Message passed to `markRead()`; default `{ id: 'probe', chatId }`.


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