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# Memory.deleteMessages()

`.deleteMessages()` 方法按 ID 刪除多則訊息。

## 使用範例

```typescript
await memory?.deleteMessages(['671ae63f-3a91-4082-a907-fe7de78e10ec'])
```

## 參數

**messageIds** (`string[]`): 要刪除的訊息 ID 陣列

## 傳回值

**void** (`Promise<void>`): 所有訊息刪除後便會解析的 Promise

## 延伸使用範例

```typescript
import { mastra } from './mastra'
import { MastraDBMessage } from '@mastra/core'

const agent = mastra.getAgent('agent')
const memory = await agent.getMemory()

const { messages } = await memory!.recall({ threadId: 'thread-123' })

const messageIds = messages.map((message: MastraDBMessage) => message.id)
await memory?.deleteMessages([...messageIds])
```

## 相關內容

- [Memory class 參考](https://mastra.zisheng.pro/zh-HK/reference/memory/memory-class)
- [recall](https://mastra.zisheng.pro/zh-HK/reference/memory/recall)
- [Memory 入門](https://mastra.zisheng.pro/zh-HK/docs/memory/overview)