# 4.2.14 本地标记位 flag\_local

后续事件发出设置一个修饰符，该修饰符表示事件数据将仅广播到当前节点（使用redis适配器时）。

```javascript
io.local.emit('an event',{some:'data'});
```


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# Agent Instructions: Querying This Documentation

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://socket.gitbook.io/docs/4-fu-wu-duan-apiserverapi/4.2-ming-ming-kong-jian-namespace/flag_local.md?ask=<question>
```

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