The Sequence activity contains one or more activities that are executed sequentially, in the order they appear on the diagram. The Sequence activity completes when the last activity within the Sequence has completed. You can add any number of child activities inside the Sequence container activity.
When you want to add more than one child element to some activities, for example, the Repeat Until or While elements, the BPEL Designer automatically adds a Sequence container to your diagram. This lets you add multiple child elements to a single parent activity.
To use the Sequence element:
To change the order of activities inside the Sequence element: