Sets the MIME, Base64-encoded user data.

C# |
[ObsoleteAttribute("The With methods are obsolete and will be removed in version 2 of the AWS SDK for .NET. See http://aws.amazon.com/sdkfornet/#version2 for more information.")] public LaunchSpecification WithUserData( string userData )

- userData (String)
- MIME, Base64-encoded user data.

this instance