Tasks in old core

List of Tasks module classes in the old core

Class	Description	Available from version
CTaskItem	Class for creating/editing/deleting and performing other actions with tasks (strongly recommended to use instead of CTasks).	12.5.0
CTasks	Class for getting list of tasks and several other actions.	10.0.2 по 12.0.9
CTaskElapsedItem	Class for handling work hours with account of elapsed time. Should be used instead of deprecated CTaskElapsedTime.	12.5.4
CTaskElapsedTime	Class for handling with account of elapsed task time.	10.0.5
CTaskFiles	Class for handling task files.	10.0.5
CTaskFilterCtrl	Class for handling preset and user filters for tasks.	12.0.1
CTaskLog	Class for handling task history log.	10.0.5
CTaskReminders	Class for managing notifications.	10.0.6
CTaskTags	Class for handling tags.	10.0.5

List of Tasks module events in the old core

Class	Description	Available from version
OnBeforeTaskAdd	Before adding a task.	CTasks::Add	10.0.5
OnBeforeTaskDelete	Before deleting task.	CTasks::Delete	10.0.5
OnBeforeTaskUpdate	Before updating task.	CTasks::Update	10.0.5
OnTaskAdd	After adding task.	CTasks::Add	10.0.5
OnTaskDelete	After deleting task.	CTasks::Delete	10.0.5
OnTaskUpdate	After updating task.	CTasks::Update	10.0.5
OnBeforeTaskNotificationSend	Before sending notifications to IM.	CTaskNotifications::SendMessage	12.5.0
OnBeforeTaskElapsedTimeAdd	Before adding record on elapsed time into task actions log.	CTaskElapsedTime::Add	14.0.16
OnBeforeTaskElapsedTimeUpdate	Before updating record of elapsed time in the task action log.	CTaskElapsedTime::Update	14.0.16
OnBeforeTaskElapsedTimeDelete	Before deleting record of elapsed time from task action log.	CTaskElapsedTime::Delete	14.0.16
OnTaskElapsedTimeAdd	After adding record of elapsed time into task actions log.	CTaskElapsedTime::Add	12.5.0
OnTaskElapsedTimeUpdate	After updating record of elapsed time in task action log.	CTaskElapsedTime::Update	12.5.0
OnTaskElapsedTimeDelete	After deleting record of elapsed time in task action log.	CTaskElapsedTime::Delete	12.5.0
OnBaseAllowedActionsMapInit	When initializing map of allowed actions for task updating.	CTaskItem::getBaseAllowedActions	12.5.3
OnTaskReminderAdd	When adding task notification.	CTaskReminders::Add	14.5.10