---
title: "actor.task-view-ticket@1 · OpenVibe.Services"
canonical: "https://openvibe.services/docs/contracts/actor.task-view-ticket"
updated: null
---

# actor.task-view-ticket@1 · OpenVibe.Services

HTML: [actor.task-view-ticket@1 · OpenVibe.Services](https://openvibe.services/docs/contracts/actor.task-view-ticket)

# ActorTaskViewTicket `actor.task-view-ticket@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: public
- Status: active
- Compatibility: backward
- Decision: [ADR-044](/docs/adr/ADR-044)
- Schema: [`https://openvibe.network/contracts/actor/task-view-ticket.v1.json`](/docs/contracts/actor.task-view-ticket.json)

actor.task-view-ticket@1: a reusable read-only view of one task for its owner, valid for 15 minutes. The URL contains a bearer credential; never log it or forward it in a referrer.

## Fields

| Field | Type | Required | Description | Constraints |
| --- | --- | --- | --- | --- |
| `url` | string | yes |  | - `pattern ^https?://[^/?#]+/embed/task/[^/?#]+\?t=tvt_[A-Za-z0-9_-]{43}$`<br>- `format uri` |
| `expires_at` | string | yes |  | - `format date-time` |

## Examples

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

 Valid: view

~~~~
{
  "url": "https://openvibe.actor/embed/task/tsk_example?t=tvt_aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
  "expires_at": "2026-11-08T12:15:00Z"
}
~~~~

Rejected: missing-expiry

~~~~
{
  "url": "https://openvibe.actor/"
}
~~~~

Rejected: wrong-ticket

~~~~
{
  "url": "https://openvibe.actor/embed/task/tsk_example?t=wpt_aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
  "expires_at": "2026-11-08T12:15:00Z"
}
~~~~

## Validate

~~~~
const contracts = require('openvibe-contracts');
contracts.validate('actor.task-view-ticket@1', value);   // { valid, errors: [{ path, message }] }
~~~~