query ConnectSession($id: ID!) {
  connectSession(id: $id) {
    id
    object
    status
    livemode
    created
    mode
    carrier
    app
    url
    user_code
    expires_at
    return_url
    connection
    error {
      code
      message
    }
  }
}

{
  "id": "obj_1a2B3c"
}

{
  "data": {
    "connectSession": {
      "id": "obj_1a2B3c",
      "object": "connect_session",
      "status": "open",
      "livemode": true,
      "created": 1791302400,
      "mode": "redirect",
      "carrier": "dhl_express",
      "app": "example",
      "url": "https://example.com/resource",
      "user_code": "GB",
      "expires_at": 1791302400,
      "return_url": "https://example.com/return",
      "connection": "conn_9f8e",
      "error": {
        "code": "access_denied",
        "message": "example"
      }
    }
  }
}