->mutateRecordDataUsing(function (array $data, $record): array {
    $data['keywords'] = $record->keywords()->where('manual', true)->pluck('name')->toArray();
    return $data;
})

->mutateRecordDataUsing(function (array $data, $record): array {
    $data['keywords'] = $record->keywords()->where('manual', true)->pluck('name')->toArray();
    return $data;
})