diff --git a/aodh/evaluator/threshold.py b/aodh/evaluator/threshold.py
index e281c55e..d3aab584 100644
--- a/aodh/evaluator/threshold.py
+++ b/aodh/evaluator/threshold.py
@@ -66,6 +66,9 @@ class ThresholdEvaluator(evaluator.Evaluator):
                 os_endpoint_type=auth_config.os_endpoint_type,
                 insecure=auth_config.insecure,
                 timeout=cfg.CONF.http_timeout,
+                os_user_domain_id=auth_config.os_user_domain_id,
+                os_project_name=auth_config.os_project_name,
+                os_project_domain_id=auth_config.os_project_domain_id,
             )
             self.api_client = ceiloclient.get_client(2, **creds)
         return self.api_client
diff --git a/aodh/service.py b/aodh/service.py
index 1c11e877..b338f764 100644
--- a/aodh/service.py
+++ b/aodh/service.py
@@ -89,6 +89,15 @@ CLI_OPTS = [
                 default=False,
                 help='Disables X.509 certificate validation when an '
                      'SSL connection to Identity Service is established.'),
+    cfg.StrOpt('os-user-domain-id',
+               default=os.environ.get('OS_USER_DOMAIN_ID', 'default'),
+               help='The domain id of the user'),
+    cfg.StrOpt('os-project-domain-id',
+               default=os.environ.get('OS_PROJECT_DOMAIN_ID', 'default'),
+               help='The domain id of the user project'),
+    cfg.StrOpt('os-project-name',
+               default=os.environ.get('OS_PROJECT_NAME', 'admin'),
+               help='The user project name'),
 ]
 cfg.CONF.register_cli_opts(CLI_OPTS, group="service_credentials")
 
diff --git a/aodh/tests/evaluator/test_threshold.py b/aodh/tests/evaluator/test_threshold.py
index 7843e7a2..f2a651cb 100644
--- a/aodh/tests/evaluator/test_threshold.py
+++ b/aodh/tests/evaluator/test_threshold.py
@@ -421,16 +421,20 @@ class TestEvaluate(base.TestEvaluatorBase):
                 self.evaluator.api_client = None
                 self._evaluate_all_alarms()
                 conf = self.conf.service_credentials
-                expected = [mock.call(2,
-                                      os_auth_url=conf.os_auth_url,
-                                      os_region_name=conf.os_region_name,
-                                      os_tenant_name=conf.os_tenant_name,
-                                      os_password=conf.os_password,
-                                      os_username=conf.os_username,
-                                      os_cacert=conf.os_cacert,
-                                      os_endpoint_type=conf.os_endpoint_type,
-                                      timeout=self.conf.http_timeout,
-                                      insecure=conf.insecure)]
+                expected = [mock.call(
+                    2,
+                    os_auth_url=conf.os_auth_url,
+                    os_region_name=conf.os_region_name,
+                    os_tenant_name=conf.os_tenant_name,
+                    os_password=conf.os_password,
+                    os_username=conf.os_username,
+                    os_cacert=conf.os_cacert,
+                    os_endpoint_type=conf.os_endpoint_type,
+                    timeout=self.conf.http_timeout,
+                    insecure=conf.insecure,
+                    os_user_domain_id=conf.os_user_domain_id,
+                    os_project_name=conf.os_project_name,
+                    os_project_domain_id=conf.os_project_domain_id)]
                 actual = client.call_args_list
                 self.assertEqual(expected, actual)