code: func (i *MenuItem) SetLabel(label string) (err error) {
  	if err = i.isActionable(); err != nil {
  		return
  	}
  	i.o.Label = PtrStr(label)
  	_, err = synchronousEvent(i.c, i, i.w, Event{Name: EventNameMenuItemCmdSetLabel, TargetID: i.id, MenuItemOptions: &MenuItemOptions{Label: i.o.Label}}, EventNameMenuItemEventLabelSet)
  	return
  }
docs: // SetLabel sets the label attribute