The order can then be accepted or rejected, which is a decision. Showing the process of receiving an order through shipping to the customerīusinesses can use activity diagrams to show the process of receiving and shipping an order to the customer.įirst, the system will notify the order, which is an activity. Otherwise, the diagram will loop back to the initial activity and prompt the user to re-enter their username and password. Two outcomes will flow from this decision: if the user has entered the correct username and password, the client will successfully log in. The system will then check whether the username and password are correct, which is a decision. The chart will start with the user entering their username and password, which is an activity. For instance, an activity diagram for a banking app can demonstrate the process of a user entering their credentials and logging in. Below are some potential use cases for activity diagrams: Modeling a customer journeyĪctivity diagrams are often used to show customer journeys. They have a wide range of applications within organizations. Examples of when to use an activity diagramĪctivity diagrams are a great way to show the flow of activities in a system or process.
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