code: func (c *SpaceNamedQuotaConfigurationCommand) Execute(args []string) error {
  	c.initConfig()
  	spaceQuota, err := c.ConfigManager.GetSpaceQuota(c.Name, c.Org)
  	if err != nil {
  		return err
  	}
  	if spaceQuota == nil {
  		spaceQuota = &config.SpaceQuota{
  			Name:                    c.Name,
  			Org:                     c.Org,
  			TotalReservedRoutePorts: "unlimited",
  			TotalServiceKeys:        "unlimited",
  			AppInstanceLimit:        "unlimited",
  			AppTaskLimit:            "unlimited",
  			InstanceMemoryLimit:     "unlimited",
  			TotalRoutes:             "unlimited",
  			TotalServices:           "unlimited",
  			PaidServicePlansAllowed: true,
  		}
  	}
  	errorString := ""
  	updateSpaceNamedQuotaConfig(spaceQuota, c.Quota, &errorString)
  
  	if errorString != "" {
  		return errors.New(errorString)
  	}
  	return c.ConfigManager.SaveSpaceQuota(spaceQuota)
  }
docs: //Execute - updates space named quotas