UML Activity Diagram Example

An example of business flow activity of order processing, based on the Example 12.35 from [UML 2.4.1 Specification]. Requested order is input parameter of the activity. After order is accepted and all required information is filled in, payment is accepted and order is shipped. Note, that this business flow allows order shipment before invoice is sent or payment is confirmed.
image.png
An example of business flow activity to process purchase order.
This example does not use partitions, so it is not clear who is responsible for fulfilling each specific action.

https://www.uml-diagrams.org/shopping-process-order-uml-activity-diagram-example.html?context=activity-examples