Both abilities are in the lh-profile-page category, require promote_users, and act on the current site only.
lh-profile-page/create-or-fill-userClass LH_Profile_Create_Or_Fill_User_Ability (includes/lh-profile-create-or-fill-user-ability-class.php). Replaces lh-buddypress-add-user/create-user. Creates a user from an email, first and last name and typed profile fields, or fills in what an existing account is missing. Requires LH User Provisioning.
email (required), first_name, last_name, fields (profile fields, schema from LH_Profile_Fill_Fields), group_id (new users only), existing_user (refuse by default, or fill_missing), dry_run (default true).lh_user_provisioning_resolve_user()). With fill_missing, names and profile fields are filled only where empty; the address is filled as one unit only when street address, town and postcode are all empty. Nothing existing is overwritten, and no organisation membership or group is changed.unclaimed is the only role the ability assigns; there is no role input. A new user gets it on the current site. An existing user with no account on the site is added with it; one with an account on the site but no role on it is given it; one who already has a role on the site keeps it. A site account and role are separate from organisation membership.action (created, would_create, filled, would_fill); site (added/would_add, role_added/would_add_role, already_on_site or failed, where added and role_added are checked against the stored role); group when a group_id was given; and a per-field report (filled, would_fill, skipped, rejected, failed, unknown_field).lh-profile-page/search-usersSearches users on the current site by any combination of profile fields: phone (digits-only partial match against primary and secondary), email, names, town, street address, state/province and country (partial), postcode (exact), gender (exact, one of Male, Female, Organisation, Robot) and a birthdate range (birthdate_before/birthdate_after, inclusive). Values within a field are OR-ed; match_mode combines fields with AND (default) or OR. limit defaults to 20, maximum 100. Each result includes the profile fields and, when LH Vcard is active, a signed short-lived vcard link.