code: func (r Network_Storage_Backup_Evault) GetObjectsByCredential(credentialObject *datatypes.Network_Storage_Credential) (resp []datatypes.Network_Storage, err error) {
  	params := []interface{}{
  		credentialObject,
  	}
  	err = r.Session.DoRequest("SoftLayer_Network_Storage_Backup_Evault", "getObjectsByCredential", params, &r.Options, &resp)
  	return
  }
docs: // Retrieve network storage accounts by SoftLayer_Network_Storage_Credential object. Use this method if you wish to retrieve a storage record by a credential rather than by id.