--- a/schemas/bootstrap.py	Thu Aug 28 07:44:29 2014 +0200
+++ b/schemas/bootstrap.py	Mon Jun 16 10:08:32 2014 +0200
@@ -90,6 +90,7 @@
                          description=_('subject/object cardinality'))
     ordernum = Int(description=('control subject entity\'s relations order'), default=0)
 
+    formula = String(maxsize=2048)
     indexed = Boolean(description=_('create an index for quick search on this attribute'))
     fulltextindexed = Boolean(description=_('index this attribute\'s value in the plain text index'))
     internationalizable = Boolean(description=_('is this attribute\'s value translatable'))