# TrackingInformation
## Properties
**tracking_id** | **String** | The tracking id generated to each shipment. It contains a series of letters or digits or both. |
**summary** | [**models::TrackingSummary**](TrackingSummary.md) | |
**promised_delivery_date** | **String** | The promised delivery date and time of a shipment. |
**event_history** | [**Vec<models::Event>**](Event.md) | A list of events of a shipment. |
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