# Initialize

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## Introduction

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Only valid for Steam Game Servers
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Initializes the ISteamGameServer interface object, and set server properties which may not be changed.

After calling this function, you should set any additional server parameters, and then call [Log On](/old-kb/old-toolkit-for-steamworks/unreal/blueprint-nodes/functions/log-on.md) or [Log On Anonymous](/old-kb/old-toolkit-for-steamworks/unreal/blueprint-nodes/functions/log-on-anonymous.md)

### IP

The address of the server

### Game Port

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Valve uses 27015 as a default
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The port that clients will connect to for gameplay.

### Query Port

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Valve uses 27016 as a default
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The port that will manage server browser-related duties and info pings from clients.

### Mode

The authentication mode of the server

### Version

The version string is usually in the form `<Major>.<Minor>.<Build>.<Revision>`, and is used by the master server to detect when the server is out of date.

### Return Value

True if successful

## Nodes

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


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