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Driver-Vehicle Assignment FAQs

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The wrong driver was assigned to a vehicle in Samsara via API. How can I correct this?
You’ll need to use the POST /fleet/driver-vehicle-assignments endpoint to assign the correct driver to the vehicle over the same time period.

How do I create an assignment without an end time?
The endTime parameter of the POST /fleet/driver-vehicle-assignments
endpoint is optional - if you don’t specify it, we’ll default to the maximum allowable time to represent an ongoing assignment.

How do I eventually end an ongoing assignment?
Ongoing assignments are driver-vehicle assignments that don’t have a specified end time. Just send a request to the POST fleet/driver-vehicle-assignments endpoint with the ongoing assignment’s startTime, driverID and vehicleID and an endTime, and the assignment will be updated to reflect the endTime.

The GET fleet/driver-vehicle-assignments endpoint is returning a driver I didn't expect. Why?
Drivers can be assigned in Samsara in many different ways. Our system ranks them in the following hierarchy and returns the highest assignment source in the API response.

  • Manual safety override assignment (Driver overridden in Safety Platform): Safety Manual Driver Overrides, derived from Safety Inbox interactions
  • API Driver Assignment: If you have a separate system to track driver assignments, you can use the Driver-Vehicle Assignments API to override a Driver Assignment.
  • Driver App assignment (Compliance Hours of Service): Auto Duty and Samsara Driver App Assignments.
  • Trailer: Used if there’s a trailer driver assignment.
  • Tachograph vehicle assignment (EU only): Assignments derived from Tachograph assignments in the EU.
  • RFID scan assignment: For RFID scanner installations, assignments derived from RFID scanners. Drivers can use ID Card Readers to scan into their vehicles.
  • QR Code: Administrators use Samsara Cloud to setup QR Codes. Drivers sign in using these QR Codes.
  • Bluetooth token assignment: Assignments from low-power Bluetooth devices, such as Trip Card, Driver Card, or Driver Token.
  • Static: Driver and device assignments made in the Samsara dashboard. Used for more permanent assignments.
  • Camera ID assignment (camera facial recognition): Assignments detected with the Samsara Dash Cam using facial recognition. This will also show up as the assignmentType if a user manually changes the driver assigned to a vehicle which is fitted with a Samsara Dash Cam

Updated about 1 month ago