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Argo Events Dependency Quick Fix - Event Dependency Resolution

DodaTech Updated 2026-06-26 1 min read

Argo Events dependencies define which events a sensor waits for before triggering actions. Incorrect dependency configuration causes premature or missed triggers. This guide covers the fix.

Quick Fix

Wrong

dependencies:
- name: dep1
  eventSourceName: webhook
  eventName: push
- name: dep2
  eventSourceName: webhook
  eventName: pr

Both dependencies use AND logic by default. The sensor requires both a push AND a PR event to trigger, which rarely happens together.

dependencies:
- name: dep1
  eventSourceName: webhook
  eventName: push
- name: dep2
  eventSourceName: webhook
  eventName: pr
  eventFilter:
    expression: "true"
  useDefault: false

With OR logic using eventDependencyGroups:

eventDependencyGroups:
- name: any-event
  dependencies:
  - dep1
  - dep2
# Expected output after applying the fix
# Sensor triggers on EITHER push OR pr event
# dependency groups enable flexible event matching
# Single event satisfies the trigger condition
# Event-driven automation works as expected

Prevention

  • Use eventDependencyGroups for OR logic between dependencies
  • Set useDefault: false to prevent implicit AND behavior
  • Group related events with shared triggers
  • Test dependency resolution with multiple event scenarios
  • Document expected event patterns for team collaboration

DodaTech Tools

Doda Browser's dependency visualizer shows event dependency relationships. DodaZIP archives dependency configurations for event flow documentation. Durga Antivirus Pro validates dependency logic.

FAQ

What is the default dependency logic in Argo Events?

Dependencies use AND logic by default — all dependencies must be satisfied before triggers fire. Use dependency groups for OR logic. ||| Can a dependency reference events from different event sources? Yes, dependencies can reference any event source and event name combination, allowing cross-source event matching in a single sensor. ||| How do I set a dependency to be optional? Use useDefault: false and provide a default value. If the event does not arrive, the default value is used and the trigger can still fire.

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