BPMN 2.0 execution engine. Open source javascript workflow engine.

• Supported elements
• Process modeller
• Debug
• Acknowledgments
• Changelog

• API
• Examples

The following elements are tested and supported.

• Definition
• Process
• Lane
• Flows:
  • Sequence: javascript- and expression conditions
  • Message
• Events
  • Start
  • End
  • Error
    • Boundary
  • Message
    • Start
    • Intermediate
  • Timer: with duration as ISO_8601
    • Intermediate
    • Boundary Interupting
    • Boundary Non-interupting
• Tasks
  • Manual: needs signal
  • Sequential loop
    • Cardinality, integer or expression
    • Condition, script or expression
    • Collection (camunda expression)
  • Service
  • SubProcess
  • Script: javascript only
  • Task: completes immediately
  • User: needs signal
  • Send
  • Receive
• Gateways
  • Exclusive
  • Inclusive
  • Parallel: join and fork
• Form

The processes are modelled using Camunda modeler.

The module uses debug so run with environment variable DEBUG=bpmn-engine:*.

The bpmn-engine resides upon the excellent library bpmn-io/bpmn-moddle developed by bpmn.io