+    if event.get('attendee') is not None:
+        att = event.get('attendee')
+        if not isinstance(att, list):
+            att = [att]
+        attendees = [ a.params['cn'] for a in att]
+        str += "Attendees:\n"
+        for a in attendees:
+            str += "\t{}\n".format(a)
+        str += "\n"
+