code: def course_enrollments(self, request, pk):
          
          enterprise_customer = self.get_object()
          serializer = serializers.EnterpriseCustomerCourseEnrollmentsSerializer(
              data=request.data,
              many=True,
              context={
                  'enterprise_customer': enterprise_customer,
                  'request_user': request.user,
              }
          )
          if serializer.is_valid():
              serializer.save()
              return Response(serializer.data, status=HTTP_200_OK)
  
          return Response(serializer.errors, status=HTTP_400_BAD_REQUEST)
docs: Creates a course enrollment for an EnterpriseCustomerUser.