> 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/get-launch-query-param.md).

# 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>