# Copy ARTIST to ALBUMARTIST only if empty

**URL:** <https://community.mp3tag.de/t/copy-artist-to-albumartist-only-if-empty/43511>\
**Category:** Support\
**Created:** [November 9, 2018, 7:07am UTC](https://community.mp3tag.de/t/copy-artist-to-albumartist-only-if-empty/43511 "2018-11-09T07:07:13Z")\
**Posts on this page:** 1\
**Showing post:** 3

<div class="post-metadata">

**Author:** ![ohrenkino](https://community.mp3tag.de/user_avatar/community.mp3tag.de/ohrenkino/32/4843_2.png) [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)\
**Post date:** [November 9, 2018, 7:16am UTC](https://community.mp3tag.de/t/copy-artist-to-albumartist-only-if-empty/43511/3 "2018-11-09T07:16:58Z")

</div>

see this thread:

> [@IF "Albumartist" IS "", "Albumartist" = "Artist"](https://community.mp3tag.de/t/if-albumartist-is-albumartist-artist/18018/4):
>
> Thank You!!!!! Is there a file or book or anything that has all this funtions explained, or at least listed so i can learn a bit from there? And leave you in peace

the shortest way would probably be:  
`Action "Format value" Field: ALBUMARTIST Formatstring: $if2(%ALBUMARTIST%,%ARTIST%)`

---

_[View the full topic](https://community.mp3tag.de/t/copy-artist-to-albumartist-only-if-empty/43511)._