load(
  users: getdeactivatedusersby(
    "username",
    "",
    2
  ),
  usersWithNames: apply(
    rule!fetchUsersWithFirstAndLastName(_),
    users
  ),
  usersWithNames
)

---------------------------------------------------
fetchUsersWithFirstAndLastName:

=concat(
  fn!user(
    ri!user,
    "firstName"
  ),
  " ",
  fn!user(
    ri!user,
    "lastName"
  )
)