Codinus calls the Grand Chartophylax the judge of all causes, and the patriarch's right arm. He adds that this officer was the depository or keeper of all the charters relating to the ecclesiastical rights stored in the chartophylakeion (Archives). In addition, the chartophylax presided over matrimonial causes, and was the main intermediary between the clergy and the patriarch, controlling his correspondence and access to him.
Codinus identifies the Grand Chartophylax as the arbiter of all cases and the patriarch's assistant. He mentions that this officer is in charge of all ecclesiastical charters kept in the chartophylakeion (Archives). Additionally, the chartophylax manages matrimonial matters and serves as a crucial link between the clergy and the patriarch.