diff --git a/src/python/dm/common/objects/userExperimentRole.py b/src/python/dm/common/objects/userExperimentRole.py
new file mode 100755
index 0000000000000000000000000000000000000000..a73b773f4aaf67ae0502b2debbf9a13e69be4d2e
--- /dev/null
+++ b/src/python/dm/common/objects/userExperimentRole.py
@@ -0,0 +1,11 @@
+#!/usr/bin/env python
+
+from dmObject import DmObject
+
+class UserExperimentRole(DmObject):
+
+    DEFAULT_KEY_LIST = [ 'user_id', 'experiment_id', 'role_type_id' ]
+
+    def __init__(self, dict):
+        DmObject.__init__(self, dict)
+