salix/modules/account/back/methods/user-account/sync-all.js

module.exports = Self => {
    Self.remoteMethod('syncAll', {
        description: 'Synchronizes user database with LDAP and Samba',
        http: {
            path: `/syncAll`,
            verb: 'PATCH'
        }
    });

    Self.syncAll = async function() {
        await Self.app.models.AccountConfig.syncUsers();
    };
};