'integer', 'order_id' => 'integer', 'restaurant_id' => 'integer', 'amount' => 'float', 'created_at' => 'datetime:Y-m-d H:i:s', ]; public function restaurant() { return $this->belongsTo(Restaurant::class,'restaurant_id'); } public function order() { return $this->belongsTo(Order::class, 'order_id'); } public function delivery_man() { return $this->belongsTo(DeliveryMan::class,'delivery_man_id'); } }