### docflow
#### example Data Association + Association
- https://mainthing.ru/ru/item/434/
- https://www.visual-paradigm.com/guide/bpmn/how-to-use-data-objects-in-bpmn/
- https://www.edumax.pro/blog/how-to-model-data-in-bpmn

### doc Data Object 
- BPEL Properties https://sparxsystems.com/resources/user-guides/15.1/model-domains/bpmn-models.pdf стр.38