[solved] How to use space as separator of group numbers for `lang.FormatNumberCustom`?

How to use space as separator of group numbers for lang.FormatNumberCustom ?

There is outdated link Hugo | lang.NumFmt which is not exist in current master branch in repo and use space in lang.NumFmt options · Issue #5260 · gohugoio/hugo · GitHub seems to be removed.

I want to format numbers like 123456.78 -> 123 456.78. How to do it?

upd: solved, with { lang.FormatNumberCustom 0 $amount "-|.| " "|" }}