# DefaultMessageMetadataByModality

Defined in: [packages/ai/src/types.ts:3010](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L3010)

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:3013](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L3013)

***

### document

```ts
document: unknown;
```

Defined in: [packages/ai/src/types.ts:3015](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L3015)

***

### image

```ts
image: unknown;
```

Defined in: [packages/ai/src/types.ts:3012](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L3012)

***

### text

```ts
text: unknown;
```

Defined in: [packages/ai/src/types.ts:3011](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L3011)

***

### video

```ts
video: unknown;
```

Defined in: [packages/ai/src/types.ts:3014](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L3014)