contentManager.setFunction("third_on_add", function(){ con_id = this.ds.baseParams.sub_rel_id; dsT = new dataStore( new Proxy("/phone_book/get_from_phone/" ,"GET"), new JSONReader( {root: "rows", totalProperty: "totalCount", id:"id"},[ {name: 'id'} ] )); ds.baseParams = {"contact_id":con_id}; ds.afterLoad = function() { cbCategory.setValue(dsT.records[0].cat_id); cbContact.setValue(con_id); } ds.load() return addCentrexPhone(); } );