# DefaultMessageMetadataByModality

Defined in: [packages/ai/src/types.ts:3423](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L3423)

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:3426](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L3426)

***

### document

```ts
document: unknown;
```

Defined in: [packages/ai/src/types.ts:3428](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L3428)

***

### image

```ts
image: unknown;
```

Defined in: [packages/ai/src/types.ts:3425](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L3425)

***

### text

```ts
text: unknown;
```

Defined in: [packages/ai/src/types.ts:3424](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L3424)

***

### video

```ts
video: unknown;
```

Defined in: [packages/ai/src/types.ts:3427](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L3427)