hasOne(Pro::class, 'id', 'hcp_pro_id'); } public function patient(){ return $this->hasOne(Client::class, 'id', 'client_id'); } public function client(){ return $this->hasOne(Client::class, 'id', 'client_id'); } public function note() { return $this->hasOne(Note::class, 'id', 'note_id'); } }