luckygulli

I get an error due to [this line](https://github.com/maknz/slack/blob/0ff93de8086451dbfd583bf927a7489027b89999/src/AttachmentAction.php#L225) : `'confirm' => $this->getConfirm()->toArray(),` > Call to a member function toArray() on a non-object So I must at least add `'confirm' =>...