streamline-emr/docker/_streamline-src/app/Models/Lab.php

<?php

namespace Streamline\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;
use OwenIt\Auditing\Contracts\Auditable;

class Lab extends Model implements Auditable
{
    // use laravel-auditing to track database changes
    use \OwenIt\Auditing\Auditable;

    // use for soft deletes
    use SoftDeletes;

    // mutate to dates
    protected $dates = ['deleted_at'];

    public static function boot() {
        parent::boot();

        self::updated(function($model){
            save_new_stock_level($model->id, 5);
        });
    }
}