i can't read (selectDialog) event

Hi Experts,

I am facing an issue on reading the selected event data from the SelectDialog control please halp me.

i am using multiselect i my dialog

the code as follows:

function(){

var oDialog = new sap.m.SelectDialog({

                            title : "Personalizse_Table",

                            multiSelect:true,

                            rememberSelections:true,

                            confirm:function(oEvent){

                         var oSelectedItem = oEvent.getParameter("selectedItem");

                          var oInputValue = oSelectedItem.getTitle();

                            }

                        });

                        var oMetaData = oModel.getServiceMetadata();

                        var oEntityRef=oMetaData.dataServices.schema[0].entityType[0];

                        var oListProperties=oEntityRef.property;

                        for ( var i = 0; i < oListProperties.length; i++){

                            oDialog.addItem(new sap.m.InputListItem({

                            label : oListProperties[i].name,

                        }));

                        }