The value for the metric. Although the Value parameter accepts numbers of type Double, Amazon CloudWatch truncates
            values with very large exponents. Values with base-10 exponents greater than 126 (1 x 10^126) are truncated. Likewise, values with base-10
            exponents less than -130 (1 x 10^-130) are also truncated. 
 Declaration Syntax
 Declaration Syntax| C# | 
public double Value { get; set; }