This post can be used as a starting point.
// Run immediately after open/close drawer action to close other drawers.
var args = arguments[0],
thisID = args.item && args.item.drawers && args.item.drawers[0]._GUID,
tems = args.list.visibleItems,
drawer,
$ = skuid.$;
$.each(items,function(index,item){
drawer = item.drawers && item.drawers[0];
if (drawer && (drawer._GUID !== thisID) && drawer.isOpen) {
drawer.close();
}
});