Пространство имен Bitrix\Calendar\Internals\EventManager\EventSubscriber\EventCategory

Структуры данных
class	CreateOpenCategoryAttendee
class	DecrementEventsCounter
class	DeleteBanCategory
class	IncrementEventsCounter
class	SendPullAfterCreate
class	SendPullAfterDelete
class	SendPullAfterUpdate
class	UpdateChannel
class	UpdateLastActivity