Camunda escalation event

1. What is event in Camunda?
2. Is escalation event a catch event?
3. What is a boundary event in Camunda?
4. What is call activity in Camunda?

What is event in Camunda?

Start events define where a Process or Sub Process starts. The process engine supports different types of start events: Blank. Timer.

Is escalation event a catch event?

In BPMN, Escalation is the non-interrupting counterpart of Error, with similar throw-catch behavior. Unlike Error, however, the normal flow and exception flow exits from the Activity are parallel paths, not alternative.

What is a boundary event in Camunda?

A conditional boundary event acts like an observer which is triggered if a specific condition is satisfied. There is a difference between an interrupting and a non interrupting conditional event. The interrupting event is the default.

What is call activity in Camunda?

A call activity (aka reusable subprocess) allows to call/invoke another workflow as part of this workflow. It is similar to an embedded subprocess but the workflow is externalized (i.e. stored as separated BPMN) and can be invoked by different workflows.