Eternal life was conditionally promised to the faithful in premortality. The conditions were that they would be required to come to earth, join the Lord’s church, receive the ordinances of salvation, and be obedient to the Lord’s commandments, yielding to the enticings of the Holy Spirit throughout their lives.
As they did this, that calling and election to eternal life, granted to them in premortality, would be made sure. Predestination, or the unconditional election of individuals to eternal life, is a false doctrine and has never been ought by the Lord or his authorized servants (see Teachings, p. 189).