# File lib/fog/aws/requests/kms/list_keys.rb, line 8
        def list_keys(options={})
          params = {}

          if options[:marker]
            params['Marker'] = options[:marker]
          end

          if options[:limit]
            params['Limit'] = options[:limit]
          end

          request({
            'Action' => 'ListKeys',
            :parser  => Fog::Parsers::AWS::KMS::ListKeys.new
          }.merge(params))
        end