diff --git a/vmware_nsxlib/tests/unit/v3/policy/test_lb_resources.py b/vmware_nsxlib/tests/unit/v3/policy/test_lb_resources.py
index aede9890..afa0d8c4 100644
--- a/vmware_nsxlib/tests/unit/v3/policy/test_lb_resources.py
+++ b/vmware_nsxlib/tests/unit/v3/policy/test_lb_resources.py
@@ -731,6 +731,25 @@ class TestPolicyLBService(test_resources.NsxPolicyLibTestCase):
                 relax_scale_validation=relax_scale_validation)
             self.assert_called_with_def(update_call, expected_def)
 
+    def test_update_customized(self):
+        obj_id = '111'
+        name = 'name'
+        tags = [{'tag': '1', 'scope': '2'}]
+
+        def update_callback(body):
+            body['tags'] = tags
+
+        with self.mock_get(obj_id, name), \
+            mock.patch.object(self.policy_api.client, "update") as update_call:
+            self.resourceApi.update_customized(
+                obj_id, update_callback)
+
+            update_call.assert_called_once_with(
+                'infra/lb-services/%s' % obj_id,
+                {'id': obj_id, 'display_name': name,
+                 'resource_type': 'LBService',
+                 'tags': tags})
+
     def test_get_status(self):
         obj_id = '111'
         with mock.patch.object(self.policy_api, "get") as api_call:
diff --git a/vmware_nsxlib/v3/policy/lb_resources.py b/vmware_nsxlib/v3/policy/lb_resources.py
index b9f606c7..fea46829 100644
--- a/vmware_nsxlib/v3/policy/lb_resources.py
+++ b/vmware_nsxlib/v3/policy/lb_resources.py
@@ -615,6 +615,30 @@ class NsxPolicyLoadBalancerServiceApi(NsxPolicyResourceBase):
             relax_scale_validation=relax_scale_validation,
             tenant=tenant)
 
+    def update_customized(self, lb_service_id, update_payload_cbk,
+                          tenant=constants.POLICY_INFRA_TENANT):
+        """Update the LB service using GET & PUT
+
+        Changing the body with a customized callback
+        """
+
+        lb_service_def = self.entry_def(
+            lb_service_id=lb_service_id, tenant=tenant)
+        lb_service_path = lb_service_def.get_resource_path()
+
+        @utils.retry_upon_exception(
+            nsxlib_exc.StaleRevision,
+            max_attempts=self.policy_api.client.max_attempts)
+        def _update():
+            # Get the current data of service
+            lb_service_body = self.policy_api.get(lb_service_def)
+            # Update the body with the supplied callback
+            update_payload_cbk(lb_service_body)
+            # Update the backend using PUT
+            self.policy_api.client.update(lb_service_path, lb_service_body)
+
+        _update()
+
     def get_statistics(self, lb_service_id,
                        tenant=constants.POLICY_INFRA_TENANT):
         lb_service_stats_def = (