# DefaultMessageMetadataByModality

# Interface: DefaultMessageMetadataByModality

Defined in: [packages/typescript/ai/src/types.ts:1421](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/types.ts#L1421)

Default metadata type for adapters that don't define custom metadata.
Uses unknown for all modalities.

## Properties

### audio

```ts
audio: unknown;
```

Defined in: [packages/typescript/ai/src/types.ts:1424](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/types.ts#L1424)

***

### document

```ts
document: unknown;
```

Defined in: [packages/typescript/ai/src/types.ts:1426](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/types.ts#L1426)

***

### image

```ts
image: unknown;
```

Defined in: [packages/typescript/ai/src/types.ts:1423](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/types.ts#L1423)

***

### text

```ts
text: unknown;
```

Defined in: [packages/typescript/ai/src/types.ts:1422](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/types.ts#L1422)

***

### video

```ts
video: unknown;
```

Defined in: [packages/typescript/ai/src/types.ts:1425](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/types.ts#L1425)