file/app/Documents/ModelDocument.php

<?php

namespace App\Documents;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Jenssegers\Mongodb\Eloquent\Model;

class ModelDocument extends Model
{
    use HasFactory, BaseDocument;

    protected $connection = 'mongodb';

    protected $fillable = [
        'name',
        'labels',
        'publishable',
        'group_id',
        'index_policy',
        'store_policy',
        'get_policy',
        'update_policy',
        'delete_policy',
        'restore_policy',
        'trash_policy',
        'fields',
        'relations'
    ];

    public function indexPolicy()
    {
        return $this->belongsTo(PolicyDocument::class, 'index_policy','_id');
    }
    public function storePolicy()
    {
        return $this->belongsTo(PolicyDocument::class, 'store_policy','_id');
    }
    public function updatePolicy()
    {
        return $this->belongsTo(PolicyDocument::class, 'update_policy','_id');
    }
    public function getPolicy()
    {
        return $this->belongsTo(PolicyDocument::class, 'get_policy','_id');
    }
    public function deletePolicy()
    {
        return $this->belongsTo(PolicyDocument::class, 'delete_policy','_id');
    }
    public function restorePolicy()
    {
        return $this->belongsTo(PolicyDocument::class, 'restore_policy','_id');
    }
    public function trashPolicy()
    {
        return $this->belongsTo(PolicyDocument::class, 'trash_policy','_id');
    }

}