//CREAT3D.ECS.DataModel.EventSystems.Topics.ChunkManagement//
===== ChunkUnloadRequestedAsyncTopic =====

^Type | [[AsyncTopic]] |
^Payload | [[ValueMessage]]<[[Chunk]]> |
^Broadcaster | [[IChunkLoadingService]] |

This topic is broadcast from the [[IChunkLoadingService]] when a loaded [[Chunk]] is requested to unload. The ValueMessage<Chunk> carries the [[Chunk]] that is about to unload. This is an Async Topic whose callbacks can be long running Tasks. The service will await for all listeners to complete executing their callbacks before resuming the operation.