Add condition if column value blank in table

Tables\Columns\TextColumn::make('name'),
Tables\Columns\TextColumn::make('download_url')->label('Filename')
->formatStateUsing(function($record) {
    if($record->download_url != '')
    {
        return $record->download_url;
    }
    else
    {
       return $record->name;
    }
}),
Tables\Columns\TextColumn::make('caption'),