Auth0\SDK\API\Authentication::authorize_with_accesstoken PHP Method

    public function authorize_with_accesstoken($access_token, $connection, $scope = 'openid', $aditional_params = [])
    {
        $data = array_merge($aditional_params, ['client_id' => $this->client_id, 'access_token' => $access_token, 'connection' => $connection, 'scope' => $scope]);
        return $this->apiClient->post()->oauth()->access_token()->withHeader(new ContentType('application/json'))->withBody(json_encode($data))->call();
    }