@@ -0,0 +1,383 @@
+from pyramid.httpexceptions import HTTPFound%0A%0Afrom dace.processinstance.core import  Behavior%0A%0A%0Aclass Cancel(Behavior):%0A%0A    behavior_id = %22cancel%22%0A    title = %22Cancel%22%0A    description = %22%22%0A%0A    def start(self, context, request, appstruct, **kw):%0A        return True%0A%0A    def redirect(self, context, request, **kw):%0A        return HTTPFound(request.resource_url(context, %22@@index%22))%0A

add default behavior (Cancel behavior)