What is a Multiple Intermediate Throw Event in BPMN?

A Multiple Intermediate Throw Event throws several event types simultaneously-messages, signals, and escalations in a single action. All defined throws execute when the event fires.

When should I use a Multiple Intermediate Throw Event?

Use Multiple Intermediate Throw Events when a single process point needs to send multiple notifications-signals to listening processes, messages to specific recipients, and escalations to handlers.

How is the Multiple Intermediate Throw Event different from related elements?

Multiple Throw Events fire all defined throws simultaneously, while Multiple Catch Events wait for any one trigger. Throw events are always additive; Catch events use OR semantics.

eventsmultiple trigger

Multiple Intermediate Throw Event

A Multiple Intermediate Throw Event throws several event types simultaneously during process execution. It can send messages, signals, and escalations in a single throw action.

What is a Multiple Intermediate Throw Event?

A Multiple Intermediate Throw Event throws multiple event types at once. In a single action, it can broadcast signals, send messages, and raise escalations-all the throwing types combined.

Visual Representation

The event shows a double-line circle containing a filled pentagon. The filled shape indicates throwing direction; the pentagon represents multiple event types.

Key Characteristics

Combined throwing: Sends multiple event types simultaneously
All triggers fire: Unlike catch events, all defined throws execute
Mixed types: Can combine message, signal, escalation throws
Compact notation: Cleaner than multiple sequential throw events

How it connects

Signal ThrowSignal throw broadcasts to all; Multiple throw can combine signal + message + escalation in one action Message ThrowMessage throw sends to one; Multiple throw can send messages and signals simultaneously Escalation ThrowEscalation throw raises one escalation; Multiple throw can combine escalation with other event types Multiple CatchMultiple catch waits for events; Multiple throw fires multiple events simultaneously

Common Use Cases

Broadcast and Notify

Simultaneously signal system-wide state change and message specific dependent processes.

Multi-Channel Alert

Throw both escalation to internal handlers and message to external notification systems.

Comprehensive Notification

On milestone completion, signal all interested processes and message specific stakeholders.

Frequently Asked Questions

Related BPMN Elements

Multiple Catch

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