volume_mute

The "Order" state diagram shows transitions: New -> Pending -> Shipped -> Delivered. There is no transition from Shipped -> Cancelled. If a customer cancels an order that is already on the delivery truck, what must the BA do to the model?

publish date: 2026/03/24 21:25:59.374167 UTC

volume_mute

Add a transition from "Shipped" to "Cancelled" with a trigger "Return to Warehouse"

Tell the customer it is impossible

Delete the "Shipped" state

Create a new "Error" state

Add a transition from "Shipped" to "Cancelled" with a trigger "Return to Warehouse"

Models must reflect real-world business rules, including "Reverse" flows.

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