# DefaultMessageMetadataByModality

# Interface: DefaultMessageMetadataByModality

Defined in: [packages/typescript/ai/src/types.ts:1741](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/types.ts#L1741)

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:1744](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/types.ts#L1744)

***

### document

```ts
document: unknown;
```

Defined in: [packages/typescript/ai/src/types.ts:1746](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/types.ts#L1746)

***

### image

```ts
image: unknown;
```

Defined in: [packages/typescript/ai/src/types.ts:1743](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/types.ts#L1743)

***

### text

```ts
text: unknown;
```

Defined in: [packages/typescript/ai/src/types.ts:1742](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/types.ts#L1742)

***

### video

```ts
video: unknown;
```

Defined in: [packages/typescript/ai/src/types.ts:1745](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/types.ts#L1745)