Sets the name of a key pair associated with this instance.
            
 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 RunningInstance WithKeyName( string keyName )
 Parameters
 Parameters- keyName (String)
- If this instance was launched with an associated key pair, this displays the key pair name.
 Return Value
 Return Valuethis instance