    # File lib/fog/aws/requests/rds/describe_db_parameters.rb, line 16
            def describe_db_parameters(name, opts={})
              params={}
              if opts[:marker]
                params['Marker'] = opts[:marker]
              end
              if opts[:source]
                params['Source'] = opts[:source]
              end
              if opts[:max_records]
                params['MaxRecords'] = opts[:max_records]
              end

              request({
                'Action'  => 'DescribeDBParameters',
                'DBParameterGroupName' => name,
                :parser   => Fog::Parsers::AWS::RDS::DescribeDBParameters.new
              }.merge(params))
            end