def filtered_meta_types(self):
"""Filter meta types.
Only ZSyncers can be added inside a ZSyncerTool.
"""
types = Folder.filtered_meta_types(self)
l = []
for t in types:
#print t['name'], ZSyncer.meta_type
if t['name'] == ZSyncer.meta_type:
l.append(t)
return l
