additional data for listApiView for django.rest.framework

AdditionalDataListApiView.py

class TransactionsList(ListAPIView):
    """
    List all transactions for currently logged in user, paginated by 25


    page -- page number
    ordering -- yoddle_amount, created, yoddle_description, reverse order ie. -yoddle_amount

    """
    model = Transaction
    serializer_class = TransactionSerializer
    paginate_by = 25
    allow_empty = True
    filter_backends = (filters.OrderingFilter,)

    def get_queryset(self):
        return self.request.user.transactions.all()

    """
    Concrete view for listing a queryset.
    """
    def get(self, request, *args, **kwargs):
        response = super(TransactionsList, self).get(request, *args, **kwargs)
        response.data['variable'] = 'data'
        return response