code: func Update(vc *object.VirtualApp, spec types.VAppConfigSpec) error {
  	log.Printf("[DEBUG] Updating vApp container %q", vc.InventoryPath)
  	ctx, cancel := context.WithTimeout(context.Background(), provider.DefaultAPITimeout)
  	defer cancel()
  	return vc.UpdateConfig(ctx, spec)
  }
docs: // Update updates a VirtualApp.