# DefaultMessageMetadataByModality

Defined in: [packages/ai/src/types.ts:3144](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L3144)

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:3147](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L3147)

***

### document

```ts
document: unknown;
```

Defined in: [packages/ai/src/types.ts:3149](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L3149)

***

### image

```ts
image: unknown;
```

Defined in: [packages/ai/src/types.ts:3146](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L3146)

***

### text

```ts
text: unknown;
```

Defined in: [packages/ai/src/types.ts:3145](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L3145)

***

### video

```ts
video: unknown;
```

Defined in: [packages/ai/src/types.ts:3148](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L3148)