# DefaultMessageMetadataByModality

# Interface: DefaultMessageMetadataByModality

Defined in: [packages/ai/src/types.ts:2159](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2159)

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:2162](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2162)

***

### document

```ts
document: unknown;
```

Defined in: [packages/ai/src/types.ts:2164](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2164)

***

### image

```ts
image: unknown;
```

Defined in: [packages/ai/src/types.ts:2161](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2161)

***

### text

```ts
text: unknown;
```

Defined in: [packages/ai/src/types.ts:2160](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2160)

***

### video

```ts
video: unknown;
```

Defined in: [packages/ai/src/types.ts:2163](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L2163)