# Get Launch Query Param

{% 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

Gets the associated launch parameter if the game is run via steam://run//?param1=value1;param2=value2;param3=value3 etc.

Parameter names starting with the character '@' are reserved for internal use and will always return an empty string. Parameter names starting with an underscore '\_' are reserved for steam features -- they can be queried by the game, but it is advised that you not param names beginning with an underscore for your own features.

### Key

The launch key to test for for example "param1"

### Return Value

The value associated with the key is provided. Returns an empty string ("") if the specified key does not exist.

## Nodes

<figure><img src="/files/O3n93BEW5yzQUIF1Os4o" 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/get-launch-query-param.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.