Sets the part size of the upload in bytes
              	and returns this object instance, 
            	enabling additional method calls to be chained together.
            	The uploaded file will be divided into 
            	parts the size specified and
            	uploaded to Amazon S3 individually.
            
 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 WithPartSize( long partSize )
 Parameters
 Parameters- partSize (Int64)
- The part size of the upload.
 Return Value
 Return Value
            	This object instance, enabling additional method calls to be chained together.