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 describes the Grand Chartophylax as the judge of all cases and the patriarch's right-hand man. He notes that this officer is custodian of all charters related to ecclesiastical rights stored in the chartophylakeion (Archives). Furthermore, the chartophylax handles matrimonial disputes and acts as a key intermediary between the clergy and the patriarch, controlling their communications.