# DefaultMessageMetadataByModality

# Interface: DefaultMessageMetadataByModality

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

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:2754](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2754)

***

### document

```ts
document: unknown;
```

Defined in: [packages/ai/src/types.ts:2756](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2756)

***

### image

```ts
image: unknown;
```

Defined in: [packages/ai/src/types.ts:2753](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2753)

***

### text

```ts
text: unknown;
```

Defined in: [packages/ai/src/types.ts:2752](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2752)

***

### video

```ts
video: unknown;
```

Defined in: [packages/ai/src/types.ts:2755](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2755)