52. $orderby-sorting, $skip&$top-Paging, Grouping.md

items = "{ path:'ODATA>/ProductSet',
            sorter:{
                path:'Category',
                group:true
            } 
        }" growing="true"

https://sapui5.hana.ondemand.com/#/api/sap.ui.base.ManagedObject.AggregationBindingInfo%23properties

https://sapui5.hana.ondemand.com/#/api/sap.ui.model.Sorter

growing is like lazy loading, click on more to fetch more records