belongsTo(Company::class, 'company_id', 'id'); } public function package() { return $this->belongsTo(Package::class, 'package_id', 'id'); } public function order() { return $this->belongsTo(Order::class, 'order_id', 'id'); } public function card() { return $this->belongsTo(Card::class, 'sim', 'sim'); } public function virtual() { return $this->belongsTo(VirtualOrder::class, 'virtual_order_id', 'id'); } public function virtual_order_cards() { return $this->hasOne(VirtualOrderCard::class, 'sim', 'sim'); } }