Obtain user signature via formula

[LuckyLouie]

Hello,
Is possible to obtain user signature and use it in email send via formula?

[LuckyLouie]

An error appears in the logs:

Column not found: 1054 Unknown column 'preferences.time_zone' in 'field list'

why does the error concern preferences.time_zone if I asked about preferences.signature?

[yuri]

$signature = record\attribute('Preferences', 'USER_ID', 'signature');

[sspro]

Possible to modify this formula for users that send from multiple email addresses that require different signatures for each address?

[Kharg]

You could create a custom entity to store signatures and relate it to the user and then use formula to call it based on the record name and user.