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AKRESULT __cdecl AK::SpatialAudio::SetPortal ( AkPortalID  in_PortalID,
const AkPortalParams in_Params  

Add or update an acoustic portal. A portal is an opening that connects two or more rooms to simulate the transmission of reverberated (indirect) sound between the rooms. This function may be called multiple times with the same ID to update the parameters of the portal. The ID (in_PortalID) must be chosen in the same manner as AkGameObjectID's, as they are in the same ID-space. The spatial audio lib manages the registration/unregistration of internal game objects for portals that use these IDs, and therefore must not collide.

See also:
in_PortalID  Unique portal ID, chosen by the client.
in_Params  Parameter for the portal.