in spain, a chronicler or cronista is a writer or documenter who collects historical or current facts and writes them. until the time of the illustrations, he was the equivalent of a historian and occupied this as an official function to perform this activity properly. the appointment of the official chronicler often happens in individuals who have distinguished themselves by their efforts to study, investigate and disseminate population-related issues. the assignment will be made by mutual agreement of the city council in plenary meeting (ordinary or extraordinary). the award is traditionally based on the essential principles of an honorary, unpaid and lifetime assignment. the appointment also involves the nomination as honorary councillor.