Filament Exporter : How to custom the columns selection modal ?

public static function getOptionsFormComponents(): array
{
    // Get all columns for the export
    $columns = self::getColumns();
    $columnOptions = collect($columns)->mapWithKeys(function (ExportColumn $column) {
        return [$column->getName() => $column->getLabel()];
    })->toArray();
    
    return [
        Forms\Components\Section::make('Export Options')
            ->schema([
                TextInput::make('file_name')
                    ->label('File name')
                    ->default('beneficiaries_export')
                    ->required()
                    ->maxLength(255)
                    ->columnSpanFull(),
                    
                Forms\Components\CheckboxList::make('columns')
                    ->label('Select columns to export')
                    ->options($columnOptions)
                    ->columns(3)
                    ->gridDirection('row')
                    ->bulkToggleable()
                    ->default(array_keys($columnOptions))
            ])
            ->columns(1)
    ];
}