[**RongIMLib**](../README.md)

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[RongIMLib](../globals.md) / clearHistoryMessages

# Function: clearHistoryMessages()

> **clearHistoryMessages**(`conversation`, `timestamp`): `Promise`\<[`RCResult`](../interfaces/RCResult.md)\<`void`\>\>

按时间戳删除消息

## Parameters

### conversation

[`IConversationIdentifier`](../interfaces/IConversationIdentifier.md)

会话

### timestamp

`number`

清除时间点，该时间之前的消息将被清除

## Returns

`Promise`\<[`RCResult`](../interfaces/RCResult.md)\<`void`\>\>

## Description

根据时间戳删除指定单个会话中早于（含）指定时间戳的所有消息。

## Example

按时间戳删除消息示例：
```ts
const conversation = {
  conversationType: RongIMLib.ConversationType.PRIVATE,
  targetId: 'targetId',
}
const timestamp = 1632728573423;
const clearRes = await RongIMLib.clearHistoryMessages(conversation, timestamp);
console.info('清除消息结果：', clearRes);
```