Introduction to the confessional: The confessional, also known as the confessional hall, is a sacrament in Catholicism and is only open to believers. Believers confess their sins to a legitimate clergy in the confessional, repent of the sins they accuse and make amends. After being forgiven by the same clergy, they receive forgiveness from God for the sins committed after baptism. At the same time, they also receive forgiveness for their sins. Reconciliation of the hurt church.