Holy Trinity celebrated the Triumph of Orthodoxy with a procession of icons inside the nave of the church.
Near the end of Divine Liturgy, each person was given an icon with the troparion and prayer. At the conclusion of the procession, the entire community gathered at the foot of the ambo and read the Synodikon, a term applied to an official definition promulgated by a synod or council, or to a statement which has synodical origin or conciliar authority. The Synodikon was approved and issued by the Council of 843 which restored the veneration of icons, i.e., it upheld and re-imposed the authority of the Seventh Ecumenical Council in 787.