Gets and sets the property EnvironmentName. 
            
The name of the environment to rebuild.
                     Condition: You must specify either this or an EnvironmentId, or both.   
                   If you do not specify either, AWS Elastic Beanstalk returns  CopyC#
            error.
CopyC#
            error.        
            MissingRequiredParameter
 Declaration Syntax
 Declaration Syntax| C# | 
public string EnvironmentName { get; set; }