code: func (r Network_Storage_Backup_Evault) GetPermissionsGroups() (resp []datatypes.Network_Storage_Group, err error) {
  	err = r.Session.DoRequest("SoftLayer_Network_Storage_Backup_Evault", "getPermissionsGroups", nil, &r.Options, &resp)
  	return
  }
docs: // Retrieve All permissions group(s) this volume is in.