'array', 'new_values' => 'array', 'started_at' => 'datetime:Y-m-d\TH:i:s.v\Z', 'finished_at' => 'datetime:Y-m-d\TH:i:s.v\Z', 'created_at' => 'datetime', ]; protected static function booting(): void { static::creating(function (self $model) { $model->created_at ??= now(); }); } }