Gets and sets the property Opacity. 
            
            A percentage that indicates how much you want a watermark to obscure the video in
            the            location where it appears. Valid values are 0 (the watermark is invisible)
            to 100 (the            watermark completely obscures the video in the specified location).
            The datatype of                 CopyC# is float.
CopyC# is float.
            Opacity
            Elastic Transcoder supports transparent .png graphics. If you use a transparent .png,
            the transparent            portion of the video appears as if you had specified a
            value of 0 for                 CopyC#. The .jpg file format doesn't support
            transparency.
CopyC#. The .jpg file format doesn't support
            transparency.
            Opacity
 Declaration Syntax
 Declaration Syntax| C# | 
public string Opacity { get; set; }