Sets the MIME, Base64-encoded user data.
            
 Declaration Syntax
 Declaration Syntax| 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 InstanceAttribute WithUserData( string userData )
 Parameters
 Parameters- userData (String)
- MIME, Base64-encoded user data.
 Return Value
 Return Valuethis instance