composer require laravel/slack-notification-channel

<?phpnamespaceApp\Services;useApp\Notifications\SlackButtonMessage;useApp\Notifications\SlackSend;useApp\Notifications\SlackSendQuestion;useIlluminate\Notifications\Notifiable;classSlackNotificationService{useNotifiable;/**
     * SlackチャンネルのWebhookURLを返す
     *
     * @return string
     */publicfunctionrouteNotificationForSlack(){returnconfig('services.slack.button');}/**
     * 送信メソッド
     * @param $message
     */publicfunctionsend(){// 通知$this->notify(newSlackButtonMessage());}}

<?phpnamespaceApp\Notifications;useIlluminate\Bus\Queueable;useIlluminate\Notifications\Messages\SlackMessage;useIlluminate\Notifications\Notification;/**
 * Slack通知クラス
 */classSlackButtonMessageextendsNotification{useQueueable;private$sendMessage;private$title;/**
     * Create a new notification instance.
     *
     * @return void
     */publicfunction__construct(){}/**
     * Get the notification's delivery channels.
     *
     * @param  mixed  $notifiable
     * @return array
     */publicfunctionvia($notifiable){return['slack'];}/**
     * Slack通知処理
     *
     * @param  mixed  $notifiable
     * @return \Illuminate\Notifications\Messages\SlackMessage
     */publicfunctiontoSlack($notifiable){return(newSlackMessage)->from('Test通知',':face_vomiting:')->content('これはテストです :face_vomiting:')->attachment(function($attachment){$attachment->action('googleリンク','https://www.google.com/','primary');});}}

/**
     * Add an action (button) under the attachment.
     *
     * @param  string  $title
     * @param  string  $url
     * @param  string  $style
     * @return $this
     */publicfunctionaction($title,$url,$style=''){$this->actions[]=['type'=>'button','text'=>$title,'url'=>$url,'style'=>$style,];return$this;}

<?phpnamespaceApp\Services;useGuzzleHttp\Client;classSlackButtonService{publicfunctionpostMessage($message){$client=newClient(['headers'=>['Content-Type'=>'application/json']]);$response=$client->post(config('services.slack.button'),['body'=>$message]);logger($response->getBody());$data=json_decode($response->getBody()->getContents());return$data;}}

private$slack;/**
     * Create a new controller instance.
     *
     * @return void
     */publicfunction__construct(SlackButtonService$service){$this->slack=$service;}publicfunctionsend(){$message="こんにちは！";$data=array("text"=>$message);$actions=["id"=>"1","name"=>"test",'type'=>"button",'text'=>"こんにちは！","value"=>"button_1",];$data+=["attachments"=>[["callback_id"=>"test","fallback"=>"More details...",'actions'=>[$actions],]]];$payload=json_encode($data);$res=$this->slack->postMessage($payload);}

Route::group(['prefix'=>'slack'],function(){Route::post('/api/response','ApiController@getSlackResponse');});

<?phpnamespaceApp\Http\Middleware;useIlluminate\Foundation\Http\Middleware\VerifyCsrfTokenasMiddleware;classVerifyCsrfTokenextendsMiddleware{/**
     * Indicates whether the XSRF-TOKEN cookie should be set on the response.
     *
     * @var bool
     */protected$addHttpCookie=true;/**
     * The URIs that should be excluded from CSRF verification.
     *
     * @var array
     */protected$except=[//'/slack/api/*',];}

publicfunctiongetSlackResponse(Request$request){$temp=json_decode($request['payload'],true);$temp['original_message']['text']=$temp['user']['name'].'が押しました！';returnresponse($temp['original_message']);}