Menu > Prevention criteria			General Help
Selection of classes
Objective
Select one or more classes to be considered during the application of the prevention criterion. Depending on the context, the criterion applies to either: the absences, the memos, the coded messages, the general averages, the summary results, the competency results during the cycle, the term results or the final competency results.
Data
The list of the school's different classes is displayed in the page. If no specific classes are selected, all the classes will be considered.
Actions
Ok	The Ok command returns to the previous page and saves the changes that were entered.
Cancel	The Cancel command returns to the previous page without saving the changes.
Undo	The Undo command cancels the changes while remaining in the page.