property Items.Item (ID as Variant) as Item
Returns a specific Item object giving its identifier.

TypeDescription
ID as Variant A Long expression that specifies the identifier of the item being requested or a String expression that specifies the caption of the item being requested.
Item An Item object with associated identifier. 
The Item property looks in the Items collection for the item with the specified identifier or caption. You can use the Item property of the ribbon control to recursively search for an item giving its identifier or caption. The ID property of the Item object specifies the identifier of the item. The Caption property of the Item object specifies the caption of the item. The Item property gets the first Item object being found, if multiple objects with the same identifier are found, or Nothing, if no item with associated identifier is found.