[Zope-CMF] Why my CMF Type can't list in the folder content?

[Dieter Maurer]

??? writes:
 > It is my first time writing a custom Type in CMF. It is a ZClass based type.
 > It nearly works well.
 > 
 > I can add, edit, search it. But it doesn't show in the Plone's folder
 > contents. And I found it could list in the ZMI.
Probably the "meta_type" in the "type factory" is different from
that in the ZClass.


Dieter