Scenarios

Scenarios
Work out the following scenario - use case - cancel order. This action can be carried out by a merchant and seller who, while not belonging to the company employees, but can log into the IS and create an order needs. As a pre-condition for order cancellation, there is a registered order in the database. The post-condition that must be met after the use case is canceled. The trigger that triggers a use case is the actor's need to cancel the order. The scenario represents the sequence of steps that is common when a usage case is triggered. The actor searches for the order by ID.