addons/website_event/security/ir.model.access.csv

   1 id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
   2 access_event_event_public,event.event.public,event.model_event_event,base.group_public,1,0,0,0
   3 access_event_event_portal,event.event.portal,event.model_event_event,base.group_portal,1,0,0,0
   4 access_event_type_public,event.type.public,event.model_event_type,,1,0,0,0