attachChange(fnFunction) {
			oEventing.attachEvent("change", fnFunction);
		}
Attaches the <code>fnFunction</code> event handler to the {@link #event:change change} event
of <code>module:sap/base/i18n/Formatting</code>.

@param {function(module:sap/base/i18n/Formatting$ChangeEvent)} fnFunction
  The function to be called when the event occurs
@public
@since 1.120