code: func (r Dns_Domain_Registration) LockDomain() (resp bool, err error) {
  	err = r.Session.DoRequest("SoftLayer_Dns_Domain_Registration", "lockDomain", nil, &r.Options, &resp)
  	return
  }
docs: // The lockDomain method locks a domain to prevent unauthorized, unwanted or accidental changes to the domain name. When set, the following actions are prohibited:
  // * Transferring of the domain name
  // * Deletion of the domain name