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