laravel - findWhere() 函数在 laravel 查询中的作用

Question

在函数 findWhere 中使用 findWhere() 做什么......

提前致谢

public function getInfluencerCampaign($request)
   {
       return $this->with(["invite" => function($query) use ($request){
           $query->with(['campaign' => function($campaignQuery) use($request) {
               $campaignQuery->select(['id', 'name', 'slug','objective_id'])
                   ->with(['payment'  => function($query){
                       $query->with(['paymentType' => function($paymentQuery){
                           $paymentQuery->select(['id', 'name']);
                       }])->select(['payment_type_id', 'campaign_id']);
                   },
                   'objective' => function($objectiveQuery){
                       $objectiveQuery->select(['id', 'name', 'slug']);
                   },
                   'statistics' => function($statisticQuery) use ($request){
                       $statisticQuery->select(['user_id','campaign_id','placement_id','work_rate','rating', 'eng_rate', 'comment_count', 'like_count', 'follower_count'])
                           ->where('user_id',$request->input('user_id'));
                   }
                   ]);
           }]);
       }])
       ->findWhere([
           'assign_to_id' => $request->input('user_id'),
       ])->groupBy('campaign_invite_id');
   }