def check_secondordersubject_params?(serializer)
      serializer_hash = serializer.to_hash
      if serializer_hash["emailMailing"]["customParameters"]["secondordersubject1"].empty? &&
         serializer_hash["emailMailing"]["customParameters"]["secondordersubject2"].empty? &&
         serializer_hash["emailMailing"]["customParameters"]["secondordersubject3"].empty? &&
         serializer_hash["emailMailing"]["customParameters"]["secondordersubject4"].empty? &&
         serializer_hash["emailMailing"]["customParameters"]["secondordersubject5"].empty? &&
         serializer_hash["emailMailing"]["customParameters"]["secondordersubject6"].empty? &&
         serializer_hash["emailMailing"]["customParameters"]["secondordersubject7"].empty? &&
         serializer_hash["emailMailing"]["customParameters"]["secondordersubject8"].empty?
          return false
      end
      return true
    end