# 4.3.16 socket\_join\_rooms\_callback

* `rooms` (Array)
* `callback` (Function)
* **Returns** 连接的socket

将客户端添加到房间列表中，并根据需要触发带有`err`签名（如果有）的回调。


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

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/4.3-socket/socket_join_rooms_callback.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.