---
title: "vision.face-library-group@1 · OpenVibe.Services"
canonical: "https://openvibe.services/docs/contracts/vision.face-library-group"
updated: null
---

# vision.face-library-group@1 · OpenVibe.Services

HTML: [vision.face-library-group@1 · OpenVibe.Services](https://openvibe.services/docs/contracts/vision.face-library-group)

# VisionFaceLibraryGroup `vision.face-library-group@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: vision
- Visibility: first-party
- Status: active
- Compatibility: backward
- Schema: [`https://openvibe.network/contracts/vision/face-library-group.v1.json`](/docs/contracts/vision.face-library-group.json)

vision.face-library-group@1: one private face cluster in a person's own Vision library: the media it came from, the group it was merged into, an optional label and whether the person excluded it. It never leaves that person's library.

## Fields

| Field | Type | Required | Description | Constraints |
| --- | --- | --- | --- | --- |
| `id` | string | yes |  | - `pattern ^fcl_[0-9A-HJKMNP-TV-Z]{26}$` |
| `media_id` | string | yes |  | - `pattern ^fme_[0-9A-HJKMNP-TV-Z]{26}$` |
| `group_id` | string | yes |  | - `pattern ^fgr_[0-9A-HJKMNP-TV-Z]{26}$` |
| `label` | string \| null |  |  | - `maxLength 120` |
| `excluded` | boolean | yes |  |  |
| `created_at` | string | yes |  | - `format date-time` |

## Examples

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

 Valid: one

~~~~
{
  "id": "fcl_01J8Z3Q4R5S6T7V8W9X0Y1Z2A4",
  "media_id": "fme_01J8Z3Q4R5S6T7V8W9X0Y1Z2A4",
  "group_id": "fgr_01J8Z3Q4R5S6T7V8W9X0Y1Z2A4",
  "label": "Ana",
  "excluded": false,
  "created_at": "2026-10-29T10:00:00.000Z"
}
~~~~

Rejected: one

~~~~
{
  "id": "fcl_1",
  "media_id": "fme_01J8Z3Q4R5S6T7V8W9X0Y1Z2A4",
  "group_id": "fgr_01J8Z3Q4R5S6T7V8W9X0Y1Z2A4",
  "excluded": false,
  "created_at": "2026-10-29T10:00:00.000Z"
}
~~~~

## Validate

~~~~
const contracts = require('openvibe-contracts');
contracts.validate('vision.face-library-group@1', value);   // { valid, errors: [{ path, message }] }
~~~~