Here are the supported description template values.
[WEEK]
[NEXT WEEK]
[MONTH]
[NEXT MONTH]
[YEAR]
[ACCOUNT NAME]
[:XXX] Reads Custom Field value if account attached to an entity. XXX Should be the custom field name. It also works for Default Balance value.
I’ve implemented these while trying to create automatic description for wage transactions so some obvious values might be missing. I’ll add [DATE] and if more needed please let me know.