1 files changed, 4 insertions, 0 deletions
diff --git a/rumba/elements/topology.py b/rumba/elements/topology.py
index 3054782..c47d541 100644
--- a/rumba/elements/topology.py
+++ b/rumba/elements/topology.py
@@ -35,6 +35,10 @@ class DIF(object):
     """
     Base class for DIFs.
     """
+
+    def get_e_id(self):
+        return "DIF." + self.name
+
     def __init__(self, name, members=None):
         """
         :param name: Name of the DIF.