# DefaultMessageMetadataByModality

# Interface: DefaultMessageMetadataByModality

Defined in: [packages/ai/src/types.ts:1939](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1939)

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:1942](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1942)

***

### document

```ts
document: unknown;
```

Defined in: [packages/ai/src/types.ts:1944](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1944)

***

### image

```ts
image: unknown;
```

Defined in: [packages/ai/src/types.ts:1941](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1941)

***

### text

```ts
text: unknown;
```

Defined in: [packages/ai/src/types.ts:1940](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1940)

***

### video

```ts
video: unknown;
```

Defined in: [packages/ai/src/types.ts:1943](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L1943)