How can a woman convince her husband to take her back after he contacted her via Facebook, and she claimed to him marriage and children, but his wife contacted him and informed him of her betrayal, which led him to divorce her?

The questioner made a mistake by committing a lie and sending pictures to the man, and that this caused her husband to resolve to divorce her. She must repent to God and ask Him for success in mending her relationship with her husband, and supplicate with the supplications of one in distress, and seek help from those who have influence with her husband to reconcile between them.