property Item.UserData as Variant
Specifies the item's user data.

TypeDescription
Variant Any VARIANT expression that's associated with the current item
By default, the UserData property is empty. The UserData property associates any extra data to an item. The Caption property specifies the item's HTML caption. The ToolTip property specifies the item's tooltip which is shown when the cursor hovers it. The Enabled property enables or disables the specified item.