Summary

A SequenceFlow must exist to support DataAssociations.

Details

In BPMN, two ways of transfering DataObject exist:

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Making the SequenceFlow explicitely carry the DataObject through a visual shortcut ;

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Directly using DataAssociations;

In both cases, the SequenceFlow existence is mandatory.

Tips

Create a SequenceFlow between the BPMN elements transfering a DataObject through DataAssociations.