# File lib/fog/aws/requests/redshift/describe_cluster_parameters.rb, line 27
        def describe_cluster_parameters(options = {})
          parameter_group_name = options[:parameter_group_name]
          source               = options[:source]
          marker               = options[:marker]
          max_records          = options[:max_records]

          path = "/"
          params = {
            :idempotent => true,
            :headers    => {},
            :path       => path,
            :method     => :get,
            :query      => {},
            :parser     => Fog::Parsers::Redshift::AWS::DescribeClusterParameters.new
          }

          params[:query]['Action']             = 'DescribeClusterParameters'
          params[:query]['ParameterGroupName'] = parameter_group_name if parameter_group_name
          params[:query]['Source']             = source if source
          params[:query]['Marker']             = marker if marker
          params[:query]['MaxRecords']         = max_records if max_records

          request(params)
        end