code: function(oEvent) {
  				var oXhr = oEvent.getParameter("oXhr");
  				var oEntry = jQuery.sap.sjax({
  					url: oXhr.url,
  					dataType: "json"
  				}).data.d;
  				// navigate to draft nodes and delete nodes
  				for (var i = 0; i < this._oDraftMetadata.draftNodes.length; i++) {
  					for (var navprop in this._mEntitySets[this._oDraftMetadata.draftRootName].navprops) {
  						if (this._mEntitySets[this._oDraftMetadata.draftRootName].navprops[navprop].to.entitySet === this._oDraftMetadata.draftNodes[i]) {
  							var oResponse = jQuery.sap.sjax({
  								url: oEntry[navprop].__deferred.uri,
  								dataType: "json"
  							});
  							if (oResponse.data && oResponse.data.d && oResponse.data.d.results) {
  								var oNode;
  								for (var j = 0; j < oResponse.data.d.results.length; j++) {
  									oNode = oResponse.data.d.results[j];
  									jQuery.sap.sjax({
  										url: oNode.__metadata.uri,
  										type: "DELETE"
  									});
  								}
  							}
  						}
  					}
  				}
  			}
docs: callback function to update draft specific properties pre deletion