Cviebrock\EloquentSluggable\SluggableObserver::generateSlug PHP Method

    protected function generateSlug(Model $model, $event)
    {
        // If the "slugging" event returns a value, abort
        if ($this->fireSluggingEvent($model, $event) !== null) {
            return;
        }
        $wasSlugged = $this->slugService->slug($model);
        $this->fireSluggedEvent($model, $wasSlugged);
    }