# DefaultMessageMetadataByModality

# Interface: DefaultMessageMetadataByModality

Defined in: [packages/ai/src/types.ts:1990](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1990)

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:1993](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1993)

***

### document

```ts
document: unknown;
```

Defined in: [packages/ai/src/types.ts:1995](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1995)

***

### image

```ts
image: unknown;
```

Defined in: [packages/ai/src/types.ts:1992](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1992)

***

### text

```ts
text: unknown;
```

Defined in: [packages/ai/src/types.ts:1991](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1991)

***

### video

```ts
video: unknown;
```

Defined in: [packages/ai/src/types.ts:1994](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1994)