import --> tag distribution child list

apps/tag/web/api/v1/api.py

@@ -613,6 +613,26 @@ class TagDistributionBatchViewSet(
         serializer = self.serializer_class(distribution_batch)
         return Response(serializer.data, status=status.HTTP_200_OK)
 
+    @action(
+        methods=['get'],
+        detail=True,
+        url_path='child_list',
+        url_name='child_list',
+        name='child_list'
+    )
+    def child_list(self, request, pk=None):
+        """
+        list of all child from a tag distribution batch
+        """
+        dist_batch = self.get_object()
+        queryset = dist_batch.children.all()
+
+        page = self.paginate_queryset(queryset)
+        if page is not None:  # noqa
+            serializer = self.get_serializer(page, many=True)
+            return self.get_paginated_response(serializer.data)
+        return Response(self.serializer_class(queryset).data)
+
     @action(
         methods=['post'],
         detail=True,