if ($this->api->exists($this->call."_url", $url)) {
$url = new Url(uri_template($url, (array)current($args)));
$promise = $this->api->withUrl($url)->get(...$args);
if ($this->api->exists($this->call."_url", $url)) {
$url = new Url(uri_template($url, (array)current($args)));
$promise = $this->api->withUrl($url)->get(...$args);