Gets and sets the property EnvironmentId. 
            
The ID of the data's environment.
                     If no such environment is found, returns an          CopyC#
                    error.
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                    error.      
            InvalidParameterValue
                     Condition: You must specify either this or an EnvironmentName, or both. 
                     If you do not specify either, AWS Elastic Beanstalk returns  CopyC#
            error.
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            error.        
            MissingRequiredParameter
 Declaration Syntax
 Declaration Syntax| C# | 
public string EnvironmentId { get; set; }