# DefaultMessageMetadataByModality

# Interface: DefaultMessageMetadataByModality

Defined in: [types.ts:1254](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/types.ts#L1254)

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

## Properties

### audio

```ts
audio: unknown;
```

Defined in: [types.ts:1257](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/types.ts#L1257)

***

### document

```ts
document: unknown;
```

Defined in: [types.ts:1259](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/types.ts#L1259)

***

### image

```ts
image: unknown;
```

Defined in: [types.ts:1256](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/types.ts#L1256)

***

### text

```ts
text: unknown;
```

Defined in: [types.ts:1255](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/types.ts#L1255)

***

### video

```ts
video: unknown;
```

Defined in: [types.ts:1258](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/types.ts#L1258)