# MessagePart

# Type Alias: MessagePart

```ts
type MessagePart = 
  | TextPart
  | ImagePart
  | AudioPart
  | VideoPart
  | DocumentPart
  | ToolCallPart
  | ToolResultPart
  | ThinkingPart;
```

Defined in: [types.ts:313](https://github.com/TanStack/ai/blob/main/packages/typescript/ai/src/types.ts#L313)