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

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

# Function: removeMessageExpansionForKey()

> **removeMessageExpansionForKey**(`keys`, `message`): `Promise`\<[`RCResult`](../interfaces/RCResult.md)\<`void`\>\>

删除扩展存储

## Parameters

### keys

`string`[]

### message

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

## Returns

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

## Description

删除消息扩展信息中指定的 Key

## Params

keys 需删除消息扩展的 keys

## Params

message 原始消息体

## Example

删除扩展存储示例：
```ts
const keys = ['key1'];
// message 为 IAReceivedMessage 类型消息体，此处不做具体示例，可在消息监听或者获取历史消息接口获取需要操作的 message
const removeRes = await RongIMLib.removeMessageExpansionForKey(keys, message);
console.info('删除扩展存储结果：', removeRes);
```