---
title: "agent.step.started@1 · OpenVibe.Services"
canonical: "https://openvibe.services/docs/contracts/agent.step.started"
updated: null
---

# agent.step.started@1 · OpenVibe.Services

HTML: [agent.step.started@1 · OpenVibe.Services](https://openvibe.services/docs/contracts/agent.step.started)

# AgentStepStartedPayload `agent.step.started@1`

Generated at 2026-11-13 06:25:48 UTC from [`openvibe-contracts v0.419.0`](https://github.com/OpenVibers/OpenVibe.Contracts/tree/v0.419.0) and [`openvibe-sdk v0.161.0`](https://github.com/OpenVibers/OpenVibe.SDK/tree/v0.161.0).

- Version: 1.0.0
- Owner: actor
- Visibility: first-party
- Status: active
- Compatibility: backward
- Schema: [`https://openvibe.network/contracts/events/payloads/agent.step.started.v1.json`](/docs/contracts/agent.step.started.json)

agent.step.started v1 (design 2026-11-07 §2). A step began: the mode started working on it. Envelope: source the mode that runs it (a first-party service), subject the person it is for, visibility internal, actor the person or the mode. The payload is common.agent-step@1: titles, outcomes and links only, never a prompt or a diff.

## Fields

This schema has no named fields.

## Examples

From the contract's own test fixtures: valid ones validate, rejected ones must fail.

 Valid: codes-step

~~~~
{
  "step_id": "tsk_01JAB2C3D4E5F6G7H8J9K0MNPS",
  "mode": "code",
  "product": "codes",
  "ref": "tsk_01JAB2C3D4E5F6G7H8J9K0MNPS",
  "title": "Running the checkout tests",
  "status": "running",
  "started_at": "2026-11-07T09:00:00.000Z",
  "ended_at": null,
  "placement": {
    "where": "On your desktop",
    "why": "it needs your files and your Claude sign-in, and it is free"
  },
  "cost_usd": null,
  "link": "https://codes.openvibe.network/tasks/tsk_01JAB2C3D4E5F6G7H8J9K0MNPS",
  "reason": null,
  "transition": null,
  "approval": null
}
~~~~

Rejected: with-prompt

~~~~
{
  "step_id": "tsk_01JAB2C3D4E5F6G7H8J9K0MNPS",
  "mode": "code",
  "product": "codes",
  "ref": "tsk_01JAB2C3D4E5F6G7H8J9K0MNPS",
  "title": "Running the checkout tests",
  "status": "running",
  "started_at": "2026-11-07T09:00:00.000Z",
  "ended_at": null,
  "placement": {
    "where": "On your desktop",
    "why": "it needs your files and your Claude sign-in, and it is free"
  },
  "cost_usd": null,
  "link": "https://codes.openvibe.network/tasks/tsk_01JAB2C3D4E5F6G7H8J9K0MNPS",
  "reason": null,
  "transition": null,
  "approval": null,
  "prompt": "the prompt the person typed"
}
~~~~

## Validate

~~~~
const contracts = require('openvibe-contracts');
contracts.validate('agent.step.started@1', value);   // { valid, errors: [{ path, message }] }
~~~~