code: def editContactItem(self, contactType, contactItem, contactInfo):
          
          contactType.editContactItem(
              contactItem, **_stringifyKeys(contactInfo))
          self._callOnOrganizerPlugins('contactItemEdited', contactItem)
docs: Edit the given contact item with the given contact type.  Broadcast
          the edit to all L{IOrganizerPlugin} powerups.
  
          @type contactType: L{IContactType}
          @param contactType: The contact type which will be used to edit the
              contact item.
  
          @param contactItem: The contact item to edit.
  
          @type contactInfo: C{dict}
          @param contactInfo: The contact information to use to edit the
              contact item.
  
          @return: C{None}