NotificationSendExtensionBaseBeforeFormingNotification - метод

Public Overridable Function BeforeFormingNotification ( 
	context As INotificationSendExtensionContext
) As Task

public:
virtual Task^ BeforeFormingNotification(
	INotificationSendExtensionContext^ context
)

abstract BeforeFormingNotification : 
        context : INotificationSendExtensionContext -> Task 
override BeforeFormingNotification : 
        context : INotificationSendExtensionContext -> Task