---
title: "exchange.chat-export-request@1 · OpenVibe.Services"
canonical: "https://openvibe.services/docs/contracts/exchange.chat-export-request"
updated: null
---

# exchange.chat-export-request@1 · OpenVibe.Services

HTML: [exchange.chat-export-request@1 · OpenVibe.Services](https://openvibe.services/docs/contracts/exchange.chat-export-request)

# ExchangeChatExportRequest `exchange.chat-export-request@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: exchange
- Visibility: first-party
- Status: active
- Compatibility: backward
- Schema: [`https://openvibe.network/contracts/exchange/chat-export-request.v1.json`](/docs/contracts/exchange.chat-export-request.json)

The x-ov-subject header on Chat's authenticated export request.

## Fields

| Field | Type | Required | Description | Constraints |
| --- | --- | --- | --- | --- |
| `subject` | string | yes |  | - `pattern ^usr_[0-9A-HJKMNP-TV-Z]{26}$` |

## Examples

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

 Valid: subject

~~~~
{
  "subject": "usr_01ARZ3NDEKTSV4RRFFQ69G5FAV"
}
~~~~

Rejected: no-subject

~~~~
{}
~~~~

## Validate

~~~~
const contracts = require('openvibe-contracts');
contracts.validate('exchange.chat-export-request@1', value);   // { valid, errors: [{ path, message }] }
~~~~