---
id: EDGE-3
family: GR-EDGE
level: core
profiles: [storage-api]
posture: normative-target
added: "1.0"
changed: "1.0"
source: https://flowdrop.io/spec/rules/gr-edge/edge-3
specification: FlowDrop Workflow Specification 1.0-draft
licence: CC BY 4.0
---

# EDGE-3 — A trigger edge is one whose target port is the trigger port

*GR-EDGE (Part I) · level: core · profiles: storage-api · added in 1.0*

## The rule

> **Normative.** This is the rule.
>
> 1. An edge is a trigger edge when, and only when, its target handle ends with `-input-trigger`.
>
> 2. Nothing else marks a wire as a trigger.

## Related rules

- Names: EDGE-1
- Referenced by: EDGE-1

---

Rule identifiers are permanent and are never renumbered. This specification carries
no implementation status: each implementation publishes its own standing against
these rules. Licensed CC BY 4.0.