In this example, the updateRevisionOn function is used to log revisions in a file. The function takes the article ID as a parameter, retrieves the current revision number of the article using a helper function getArticleRevision, increments the revision number by 1, logs the revision number in a file using a helper function logRevision, and updates the database with the new revision number using a helper function updateArticleRevision. Package/Library: The package/library used in this example is not specified. Overall, updateRevisionOn is a useful function for keeping track of changes made to articles in a CMS or other content management system. The specific implementation of this function may vary depending on the requirements of the system and the underlying database or file system used.