Sets the key under which the Amazon S3 object is stored 
            	and returns this object instance, 
            	enabling additional method calls to be chained together.
            
 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 TransferUtilityUploadRequest WithKey( string key )
 Parameters
 Parameters- key (String)
- The key under which the Amazon S3 object is stored.
 Return Value
 Return Value
            	This object instance, enabling additional method calls to be chained together.