# DefaultMessageMetadataByModality

# Interface: DefaultMessageMetadataByModality

Defined in: [packages/ai/src/types.ts:2012](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2012)

Default metadata type for adapters that don't define custom metadata.
Uses unknown for all modalities.

## Properties

### audio

```ts
audio: unknown;
```

Defined in: [packages/ai/src/types.ts:2015](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2015)

***

### document

```ts
document: unknown;
```

Defined in: [packages/ai/src/types.ts:2017](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2017)

***

### image

```ts
image: unknown;
```

Defined in: [packages/ai/src/types.ts:2014](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2014)

***

### text

```ts
text: unknown;
```

Defined in: [packages/ai/src/types.ts:2013](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2013)

***

### video

```ts
video: unknown;
```

Defined in: [packages/ai/src/types.ts:2016](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2016)