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03 · Choreograph the chaos

Event Coordination

Wait for events, correlate signals across time, and cancel in-flight work based on what users do. The substrate underneath approvals, sagas, and abandonment flows.

EVENTsend.emailupdate.crmscore.leadnotify.slack
eventuser.signed_up · 4 listeners

Patterns

01Building flows for lost customersCoordinate between events to build AI-driven re-engagement, human-in-the-loop approvals, and multi-step user journeys.02Reliable scheduling systemsFan out to hundreds or thousands of independently-retried jobs from a single trigger, from batch AI processing to multi-tenant report generation.03Running functions in parallelFan out to multiple model calls, evaluations, or processing tasks from a single event.
Next primitive →Scheduling

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