Unable to create dropdown/options/security on the Infolets of the Dashboard area of Order Management

We want to create dropdowns/options/security on the Infolets of the Dashboard area of Order Management , so that a user can see/select data from a single Business Unit out of multiple Business Units assigned to itself. (Right now the infolet shows consolidated data of all the Business Unit assigned to it Navigation : Navigator > Order Management > Order Management -> Dashboard ( Order Past Due, infolet.