# RuntimeEnvironment


Configuration settings that identify the operating system for an application resource. This can also include a compatibility layer and other drivers.

A runtime environment can be one of the following:
+  For Linux applications 
  +  Ubuntu 22.04 LTS (`Type=UBUNTU, Version=22_04_LTS`) 
+  For Windows applications 
  + Microsoft Windows Server 2022 Base (`Type=WINDOWS, Version=2022`)
  + Proton 9.0-2 (`Type=PROTON, Version=20250516`)
  + Proton 8.0-5 (`Type=PROTON, Version=20241007`)
  + Proton 8.0-2c (`Type=PROTON, Version=20230704`)

## Contents


**Note**  
In the following list, the required parameters are described first.

 ** Type **   <a name="gameliftstreams-Type-RuntimeEnvironment-Type"></a>
The operating system and other drivers. For Proton, this also includes the Proton compatibility layer.  
Type: String  
Valid Values: `PROTON | WINDOWS | UBUNTU`   
Required: Yes

 ** Version **   <a name="gameliftstreams-Type-RuntimeEnvironment-Version"></a>
Versioned container environment for the application operating system.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 256.  
Required: Yes

## See Also


For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/gameliftstreams-2018-05-10/RuntimeEnvironment) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/gameliftstreams-2018-05-10/RuntimeEnvironment) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/gameliftstreams-2018-05-10/RuntimeEnvironment)