code: def update(self, dialing_permissions_inheritance=values.unset):
          
          return self._proxy.update(dialing_permissions_inheritance=dialing_permissions_inheritance, )
docs: Update the SettingsInstance
  
          :param bool dialing_permissions_inheritance: `true` for this sub-account to inherit voice dialing permissions from the Master Project; otherwise `false`
  
          :returns: Updated SettingsInstance
          :rtype: twilio.rest.voice.v1.dialing_permissions.settings.SettingsInstance