Wwise SDK 2022.1.9
Begins an undo group. Make sure to call ak.wwise.core.undo.endGroup exactly once for every ak.wwise.core.beginUndoGroup call you make. Calls to ak.wwise.core.undo.beginGroup can be nested. When closing a WAMP session, a check is made to ensure that all undo groups are closed. If not, a cancelGroup is called for each of the groups still open.
Refer to Using the Wwise Authoring API (WAAPI) for more information about Wwise Authoring API.