APIDump: Documented HOOK_CHUNK_UNLOADED.

MCServer/Plugins/APIDump/APIDesc.lua

@@ -2252,6 +2252,28 @@ end;
 			]],
 		},  -- HOOK_CHUNK_GENERATING
 
+		HOOK_CHUNK_UNLOADED =
+		{
+			CalledWhen = "A chunk has been unloaded from the memory.",
+			DefaultFnName = "OnChunkUnloaded",  -- also used as pagename
+			Desc = [[
+				This hook is called when a chunk is unloaded from the memory. Though technically still in memory,
+				the plugin should behave as if the chunk was already not present. In particular, {{cWorld}} block
+				API should not be used in the area of the specified chunk.
+			]],
+			Params =
+			{
+				{ Name = "World", Type = "{{cWorld}}", Notes = "The world from which the chunk is unloading" },
+				{ Name = "ChunkX", Type = "number", Notes = "X-coord of the chunk" },
+				{ Name = "ChunkZ", Type = "number", Notes = "Z-coord of the chunk" },
+			},
+			Returns = [[
+				If the function returns false or no value, the next plugin's callback is called. If the function
+				returns true, no other callback is called for this event. There is no behavior that plugins could
+				override.
+			]],
+		},  -- HOOK_CHUNK_UNLOADED
+
 	},  -- Hooks[]