hasOne(AppSession::class, 'id', 'created_by_session_id'); } public function client(): HasOne { return $this->hasOne(Client::class, 'id', 'client_id'); } public function updates(): HasMany{ return $this->hasMany(ClientMemoUpdate::class, 'client_memo_id', 'id')->orderBy('created_at', 'DESC'); } public function stamp(): HasOne { return $this->hasOne(Stamp::class, 'client_memo_id', 'id'); } }