model = app(Chat::class); if ($this->isExport()) { // Determine if the user is authorized to export the data. return $this->can('export'); } if ($this->isImport()) { // Determine if the user is authorized to import the data. return $this->can('import'); } } /** * Get the validation rules that apply to the request. * * @return array */ public function rules() { return []; } }