# DefaultMessageMetadataByModality

# Interface: DefaultMessageMetadataByModality

Defined in: [packages/ai/src/types.ts:1970](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1970)

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:1973](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1973)

***

### document

```ts
document: unknown;
```

Defined in: [packages/ai/src/types.ts:1975](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1975)

***

### image

```ts
image: unknown;
```

Defined in: [packages/ai/src/types.ts:1972](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1972)

***

### text

```ts
text: unknown;
```

Defined in: [packages/ai/src/types.ts:1971](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1971)

***

### video

```ts
video: unknown;
```

Defined in: [packages/ai/src/types.ts:1974](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1974)