APIDump: Documented HOOK_DISCONNECT.

MCServer/Plugins/APIDump/APIDesc.lua

@@ -2350,6 +2350,32 @@ end;
 			]],
 		},  -- HOOK_CRAFTING_NO_RECIPE
 
+		HOOK_DISCONNECT =
+		{
+			CalledWhen = "A player has explicitly disconnected.",
+			DefaultFnName = "OnDisconnect",  -- also used as pagename
+			Desc = [[
+				This hook is called when a client sends the disconnect packet and is about to be disconnected from
+				the server.</p>
+				<p>
+				Note that this callback is not called if the client drops the connection or is kicked by the
+				server.</p>
+				<p>
+				FIXME: There is no callback for "client destroying" that would be called in all circumstances.</p>
+			]],
+			Params =
+			{
+				{ Name = "Player", Type = "{{cPlayer}}", Notes = "The player who has disconnected" },
+				{ Name = "Reason", Type = "string", Notes = "The reason that the client has sent in the disconnect packet" },
+			},
+			Returns = [[
+				If the function returns false or no value, MCServer calls other plugins' callbacks for this event
+				and finally broadcasts a disconnect message to the player's world. If the function returns true, no
+				other plugins are called for this event and the disconnect message is not broadcast. In either case,
+				the player is disconnected.
+			]],
+		},  -- HOOK_DISCONNECT
+
 	},  -- Hooks[]