Represents an update to an HTTP transfer, which is a process of transferring data over the internet using the HTTP protocol. It provides a way for developers to monitor the progress of an HTTP transfer and can be retrieved using ovrNotification_HTTP_Transfer.

It's a unique identifier for the HTTP transfer. It is used to track the progress of the transfer and can be retrieved using ovr_Message_GetRequestID().

This field is a boolean value that indicates whether the HTTP transfer has been completed or not.