> For the complete documentation index, see [llms.txt](https://kb.heathen.group/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kb.heathen.group/old-kb/old-toolkit-for-steamworks/unreal/blueprint-nodes/functions/run-callbacks.md).

# Run Callbacks

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## Introduction

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Only valid for Steam Game Servers
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Dispatches callbacks created with STEAM\_GAMESERVER\_CALLBACK and call results to all of the registered listeners.

It's best to call this at >10Hz, the more time between calls, the more potential latency between receiving events or results from the Steamworks API. Most games call this once per render-frame. All registered listener functions will be invoked during this call, in the callers thread context.

## Nodes

<figure><img src="/files/6GsOib7QqDgly9KlazxU" alt=""><figcaption></figcaption></figure>