hasOne(Client::class, 'id', 'client_id'); } public function pro() { return $this->hasOne(Pro::class, 'id', 'pro_id'); } public function note() { return $this->hasOne(Note::class, 'id', 'note_id'); } public function careMonth() { return $this->hasOne(CareMonth::class, 'id', 'care_month_id'); } public function bill() { return $this->hasOne(Bill::class, 'id', 'bill_id'); } public function supplyOrder() { return $this->hasOne(SupplyOrder::class, 'id', 'supply_order_id'); } }