ldc-dam/app/Models/Format.php

<?php

namespace App\Models;

use App\Scopes\SystemScope;
use Illuminate\Database\Eloquent\Model;

class Format extends Model
{

	/**
     * The "booting" method of the model.
     *
     * @return void
     */
    protected static function boot()
    {
        parent::boot();

        //static::addGlobalScope(new SystemScope);
    }

	/**
	 * The sujet that belong to the format.
	 */
	public function sujets()
	{
		return $this->belongsToMany('App\Models\Sujet', 'sujets_formats', 'format_id', 'sujet_id');
	}

}