| Description |
| Transaction Tracking Identifier |
| Type : String |
| Definition |
| This element is valued by the provider for future reference to link responses together. For polling and retrieval purposes for pending responses - this element is used for handling pending responses implemented via web services that requires a polling / retrieval operation to obtain the subsequent result. It identifies the tracking number to use to obtain the subsequent final state response (e.g. success or failure). |
| Parents |
| TXLifeRequest TXLifeResponse |