Gets and sets the property Key. 
            
             The name to assign to the transcoded file. Elastic Transcoder saves the file in the
            Amazon S3 bucket            specified by the  CopyC# object in the
            pipeline that is specified by            the pipeline ID. If a file with the specified
            name already exists in the output bucket,            the job fails.
CopyC# object in the
            pipeline that is specified by            the pipeline ID. If a file with the specified
            name already exists in the output bucket,            the job fails. 
            OutputBucket
 Declaration Syntax
 Declaration Syntax| C# | 
public string Key { get; set; }