mesreleves-php/app/Models/SourceType.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;

class SourceType extends Model
{
    protected $fillable = ['nom', 'description'];

    public function fields(): HasMany
    {
        return $this->hasMany(SourceTypeField::class)->orderBy('order');
    }

    public function sources(): HasMany
    {
        return $this->hasMany(Source::class);
    }
}