# Join Lobby

{% hint style="success" %}

#### Like what you're seeing?

Support us as a [GitHub Sponsor](/old-kb/where-to-buy/become-a-sponsor.md) and get instant access to all our assets, exclusive tools and assets, escalated support and issue tracking and our gratitude.\
\
These articles are made possible by our [GitHub Sponsors](/old-kb/where-to-buy/become-a-sponsor.md) ... become a sponsor today!
{% endhint %}

## Introduction

Invite another user to the lobby.\
\
If the specified user clicks the join link, a [Game Lobby Join Requested](/old-kb/old-toolkit-for-steamworks/unreal/blueprint-nodes/events/lobby-join-requested.md) callback will be posted if the user is in-game, or if the game isn't running yet then the game will be automatically launched with the command line parameter `+connect_lobby <64-bit lobby Steam ID>` instead.

### Lobby Id

The Steam ID of the lobby to invite the user to

### Callback

An event that will be called when the process completes and will indicate the results of the request.

* Lobby Id\
  The lobby joined
* Blocked\
  Was the join request blocked such as from other members of the lobby, VAC, etc.
* Response\
  The [UEChatRoomEnterResponse ](/old-kb/old-toolkit-for-steamworks/unreal/blueprint-nodes/enumerators/uechatroomenterresponse.md)response to the user joining the lobby

## Nodes

<figure><img src="/files/dO25sL86Dole7ieupqJl" alt=""><figcaption></figcaption></figure>


---

# 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://kb.heathen.group/old-kb/old-toolkit-for-steamworks/unreal/blueprint-nodes/functions/join-lobby.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.