diff --git a/base/hica_base.py b/base/hica_base.py
index <HASH>..<HASH> 100644
--- a/base/hica_base.py
+++ b/base/hica_base.py
@@ -11,6 +11,9 @@ class HicaValueType(object):
   (NONE, PATH, DEVICE, GLOB, STRING) = [0] + [1 << x for x in range(4)]
 
 class HicaInjector(object):
+  def get_description(self):
+    return None
+
   def get_config_key(self):
     return None
Each injector should have human readable description