new_contents: from rest_framework import serializers
  from rest_framework.views import APIView
  from rest_framework.response import Response
  from rest_framework import status
  
  from items.models import BookList, ItemPost
  from items.api.serializers import BookListSerializer
  from items.tasks.send_buy_message import SendBuyMessageTask
  
  import os
  
  
  class SendBuySMSAPIView(APIView):
  
      def post(self, request, *args, **kwargs):
  
          sms = SendBuyMessageTask()
          sms.run()
  
          return Response(status=status.HTTP_204_NO_CONTENT)
  
subject: update : add sms_api_view.py in items/api/views it will used send sms