I want to mutate record data using $this->record

how to

mutateRecordDataUsing

mutateRecordDataUsing

but using $this->record array? Thank you

    protected function getHeaderActions(): array
    {
        return [
            EditAction::make()
                ->label('Check In')
                ->record($this->record)
                ->form([
                    Toggle::make('isCheckedIn'),
                ])
                //below doesn't work if using $this->record
                ->mutateRecordDataUsing(function (array $this->record): array {
                    $data['chekedInTime'] = Carbon::now();
             
                    return $data;
                })
        ];
    }

    protected function getHeaderActions(): array
    {
        return [
            EditAction::make()
                ->label('Check In')
                ->record($this->record)
                ->form([
                    Toggle::make('isCheckedIn'),
                ])
                //below doesn't work if using $this->record
                ->mutateRecordDataUsing(function (array $this->record): array {
                    $data['chekedInTime'] = Carbon::now();
             
                    return $data;
                })
        ];
    }