# AbortInfo

# Interface: AbortInfo

Defined in: [packages/typescript/ai/src/activities/chat/middleware/types.ts:258](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/activities/chat/middleware/types.ts#L258)

Information passed to onAbort.

## Properties

### duration

```ts
duration: number;
```

Defined in: [packages/typescript/ai/src/activities/chat/middleware/types.ts:262](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/activities/chat/middleware/types.ts#L262)

Duration until abort in milliseconds

***

### reason?

```ts
optional reason: string;
```

Defined in: [packages/typescript/ai/src/activities/chat/middleware/types.ts:260](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/activities/chat/middleware/types.ts#L260)

The reason for the abort, if provided