hasMany(HarianAyam::class, 'id_populasi'); } public function kandang() { return $this->belongsTo(KandangAyam::class, 'kandang_id'); } public function user() { return $this->belongsTo(User::class); } protected static function booted() { static::updated(function ($populasi) { // Perbarui field nama_batch di semua record harian ayam yang terkait $populasi->harianAyam()->update(['nama_batch' => $populasi->nama_batch]); }); } }