The name of the DB parameter group to associate with this DB instance. If this argument is omitted, the default DBParameterGroup for the
            specified engine will be used. Constraints: 
- Must be 1 to 255 alphanumeric characters
- First character must be a letter
- Cannot end with a hyphen or contain two consecutive hyphens
 Declaration Syntax
 Declaration Syntax| C# | 
public string DBParameterGroupName { get; set; }