Laravel scout (meilisearch-driver) 搜索多对多关系

如何解决Laravel scout (meilisearch-driver) 搜索多对多关系

我有一个多对多的关系，我会用 laravel scout (meilisearch-driver) 对这种关系进行搜索。

我的模型：

Beneficiary.PHP

<?PHP

namespace App\Models;

use Laravel\Scout\Searchable;
use Illuminate\Database\Eloquent\Model;

class Beneficiary extends Model
{
  use Searchable;

  protected $table = 'beneficiaries';

  public function contacts() {
    return $this->belongsToMany('App\Models\Contact','beneficiary_contacts','beneficiary_id','contact_id');
  }

  protected function makeAllSearchableusing($query) {
    return $query->with('contacts');
  }
}

Contact.PHP

<?PHP

namespace App\Models;

use Laravel\Scout\Searchable;
use Illuminate\Database\Eloquent\Model;

class Contact extends Model
{
  use Searchable;

  protected $table = 'contacts';

  public function beneficiaries() {
    return $this->belongsToMany('App\Models\Beneficiary','contact_id','beneficiary_id');
  }

  protected function makeAllSearchableusing($query) {
    return $query->with('beneficiaries');
  }
}

我需要通过搜索字符串查找特定“受益人”的“联系人”。我在我的控制器中试过这个：

public function getBeneficiaryContactsBySearch(Request $request,$id) {
      ...

      $contacts = Beneficiary::findOrFail($id)->contacts()->search($search)->paginate($request->per_page);
      
      ...
  }

但我收到错误“Call to undefined method Illuminate\Database\Eloquent\Relations\BelongsToMany::search()”。

有没有办法用 laravel scout 做到这一点？

谢谢。