public void setShipmentTrackingNumber(String shipmentTrackingNumber) {
        this.shipmentTrackingNumber = shipmentTrackingNumber;
    }
<p>
The tracking number of the shipment.
</p>

@param shipmentTrackingNumber
       The tracking number of the shipment.
aws-java-sdk-outposts/src/main/java/com/amazonaws/services/outposts/model/ShipmentInformation.java