- attribute(?Attribute, ?Type, ?Options) is nondet[multifile, library(user_profile)]
- Multifile hook that defines that the profile attribute Attribute
must have the type Type. Type are types as defined by must_be/2
from library(error). Options defined are:
- access(+Access)
- Defines whether or not the user can update the attribute
value. Access is one of
rw (default) or ro.
- hidden(+Boolean)
- If
true, the attribute is not displayed in the user
profile.
- default(+Value)
- Assumed default if the value is unknown.