ReadPropertyName.cs

 string _PropertyNameAttributeIsAppliedTo;
    string _filePath;
    public CustomDate([CallerMemberName]string propertyName = null, [CallerFilePath] string filePath = null) // gets the property name
    {
        _PropertyNameAttributeIsAppliedTo = propertyName;
        _filePath = filePath; //  //Returns full path of the calling class
    }