# DefaultMessageMetadataByModality

# Interface: DefaultMessageMetadataByModality

Defined in: [packages/ai/src/types.ts:1804](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1804)

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:1807](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1807)

***

### document

```ts
document: unknown;
```

Defined in: [packages/ai/src/types.ts:1809](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1809)

***

### image

```ts
image: unknown;
```

Defined in: [packages/ai/src/types.ts:1806](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1806)

***

### text

```ts
text: unknown;
```

Defined in: [packages/ai/src/types.ts:1805](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1805)

***

### video

```ts
video: unknown;
```

Defined in: [packages/ai/src/types.ts:1808](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1808)