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| # | BPMN Field | XML attribute/element | Notes |
|---|---|---|---|
| 1 | dataInputAssociation.sourceRef | element | id of source dataInput |
| 2 | dataInputAssociation.targetRef | element | id of target dataInput |
| 3 | dataOutputAssociation.sourceRef | element | id of source dataOutput |
| 4 | dataOutputAssociation.sourceRef | element | id of target dataOutput |