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- Reference information
Start events

Maestro user guide
Last updated Jun 23, 2025
Start events
A start event defines how a process begins. A diagram must include exactly one start
event.
Event type | Meaning |
---|---|
None | Used for manual starts or when the trigger is defined outside the BPMN model. |
Message | Indicates the process is triggered by an incoming message. Often used in called processes. |
Timer | Indicates the process starts at a specific time or after a delay. Useful for scheduled operations. |
Note: Only one start event is allowed per process in
Maestro. Use sub-processes to model additional entry points.
For more details about the BPMN elements supported in Maestro, see BPMN support.