---
title: "meme.caption.created@1 · OpenVibe.Services"
canonical: "https://openvibe.services/docs/contracts/meme.caption.created"
updated: null
---

# meme.caption.created@1 · OpenVibe.Services

HTML: [meme.caption.created@1 · OpenVibe.Services](https://openvibe.services/docs/contracts/meme.caption.created)

# MemeCaptionCreatedPayload `meme.caption.created@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: meme
- Visibility: first-party
- Status: active
- Compatibility: backward
- Schema: [`https://openvibe.network/contracts/events/payloads/meme.caption.created.v1.json`](/docs/contracts/meme.caption.created.json)

meme.caption.created v1 (OpenVibe.Meme): a signed-in person saved a public caption. The event names only its id and owner, never the caption text, template, or other people's content. Envelope source meme, actor the owner, subject the caption, visibility internal.

## Fields

| Field | Type | Required | Description | Constraints |
| --- | --- | --- | --- | --- |
| `caption_id` | string | yes |  | - `pattern ^mcp_[0-9A-HJKMNP-TV-Z]{26}$` |
| `owner` | [identity.subject-ref](/docs/contracts/identity.subject-ref) | yes |  |  |
| `created_at` | string | yes |  | - `format date-time` |

## Examples

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

 Valid: public

~~~~
{
  "caption_id": "mcp_01M516F1WX5NN6C0EMW2V0G8Y9",
  "owner": {
    "type": "user",
    "id": "usr_01J8Z3V9Q6N1X2Y3Z4A5B6C7D8"
  },
  "created_at": "2026-11-11T03:00:00.000Z"
}
~~~~

Rejected: with-text

~~~~
{
  "caption_id": "mcp_01M516F1WX5NN6C0EMW2V0G8Y9",
  "owner": {
    "type": "user",
    "id": "usr_01J8Z3V9Q6N1X2Y3Z4A5B6C7D8"
  },
  "created_at": "2026-11-11T03:00:00.000Z",
  "text": "Private content must not enter the event"
}
~~~~

## Validate

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