General Error Handling

Product Recognition

• If the system responds with anything except 200 OK:
  • Default to a lookup menu.
  • Do not show the error to the customer.
  • Notify staff or the customer's notification system.
• If the system is used only for product recognition:
  • Result types include:
    • recognized
    • recognized_barcoded_product
    • no_known_product
    • obstructed
    • background
  • If the result type is anything except recognized:
    • Default to the lookup menu.

Fraud Prevention

If the system responds with anything except 200 OK:

• Treat as not fraud or not loss.
• Do not show the error to the customer.
• Notify staff or the customer's notification system.

Bag Tare

If the system responds with anything except 200 OK:

• Display a bag tare option.
• Allow the customer or cashier to select the appropriate bag tare value.
• Notify staff or the customer's notification system.

Notifications

All errors should be:

• Internally tracked.
• Reported to the appropriate staff or notification systems.