def METHOD_NAME():
    account = request.args.get('account')
    issuer = request.args.get('issuer')
    vo = request.args.get('vo')
    if not MULTI_VO:
        vo = 'def'
    if not issuer:
        return generate_http_error_flask(401, 'CannotAuthenticate', 'Cannot get token OIDC auth url from the server.')
    return oidc_auth(account, issuer, vo)