The unique ID of the device providing the location data.
A string that evaluates to a double value that represents the latitude of the device's location.
A string that evaluates to a double value that represents the longitude of the device's location.
The IAM role that grants permission to write to the Amazon Location resource.
The time that the location data was sampled. The default value is the time the MQTT message was processed.
The name of the tracker resource in Amazon Location in which the location is updated.