# DefaultMessageMetadataByModality

# Interface: DefaultMessageMetadataByModality

Defined in: [packages/ai/src/types.ts:2746](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2746)

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:2749](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2749)

***

### document

```ts
document: unknown;
```

Defined in: [packages/ai/src/types.ts:2751](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2751)

***

### image

```ts
image: unknown;
```

Defined in: [packages/ai/src/types.ts:2748](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2748)

***

### text

```ts
text: unknown;
```

Defined in: [packages/ai/src/types.ts:2747](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2747)

***

### video

```ts
video: unknown;
```

Defined in: [packages/ai/src/types.ts:2750](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2750)