code: func (r Network_Storage_Group_Iscsi) AddAllowedHost(allowedHost *datatypes.Network_Storage_Allowed_Host) (resp bool, err error) {
  	params := []interface{}{
  		allowedHost,
  	}
  	err = r.Session.DoRequest("SoftLayer_Network_Storage_Group_Iscsi", "addAllowedHost", params, &r.Options, &resp)
  	return
  }
docs: // Use this method to attach a SoftLayer_Network_Storage_Allowed_Host object to this group.  This will automatically enable access from this host to any SoftLayer_Network_Storage volumes currently attached to this group.