POST method for process definition BPMN model

**Is there a way to edit process definition BPMN model?**

1. I would like to replicate an app multiple times but **formKey** inside tasks will vary inside process definition BPMN model in each APP.
2. There is GET method to obtain a process definition BPMN model which will list out all the all elements inside process workflow. I would like to alter the formKey in this response JSON and modify the BPMN model.
3. What are the models listed in this [Request URL](http://localhost:9080/flowable-rest/service/repository/models), I'm unable to see any models inside the response.

Inizia dall’GET process-definition BPMN model endpoint esistente e dalla repository models request URL menzionata nell’issue. Determina come vengono rappresentate le modifiche a formKey e la creazione o l’aggiornamento dei modelli nella Flowable REST API; il lavoro sarà completato quando sarà definito un workflow POST concordato che gestisca sia la modifica BPMN sia la risposta models vuota.

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