'float', 'discount_on_food' => 'float', 'total_add_on_price' => 'float', 'tax_amount' => 'float', 'food_id'=> 'integer', 'order_id'=> 'integer', 'quantity'=>'integer', 'item_campaign_id'=>'integer', ]; protected $primaryKey = 'id'; public function order() { return $this->belongsTo(Order::class); } public function vendor() { return $this->order->restaurant(); } public function food() { return $this->belongsTo(Food::class,'food_id'); } public function campaign() { return $this->belongsTo(ItemCampaign::class, 'item_campaign_id'); } }