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  • Overview
    • Introduction to UiPath Maestro™
    • Requirements
    • Example scenarios
  • Process modeling
  • BPMN
  • Process implementation
  • Process operations
  • Process monitoring
  • Process optimization
  • Reference information
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Maestro user guide

Last updated Jun 23, 2025

Intermediate events

Intermediate events model things that happen between the start and end of a process. They can delay the flow, wait for an input, or signal something to other elements.

Event typeUsage
Message (Catching)Waits for a message to continue. Placed inline or on a boundary.
TimerDelays flow until a timestamp or duration. Commonly used for timeouts.
Signal (Throw/Catch)Broadcasts or waits for a signal. Use to loosely couple process fragments.
Link (Throw/Catch)Used as off-page connectors. Improves readability in large diagrams.
EscalationIndicates a business-level escalation. Typically attached to boundary events.
ErrorRepresents an exception. Must be caught by an error boundary event on a task or sub-process.
Important: In modeling, intermediate events should be used to clarify dependencies or timing logic. The actual behavior may depend on runtime support.

For more details about the BPMN elements supported in Maestro, see BPMN support.

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