Do you mean like calling the SWF and passing parameters[1] or through Flash vars? There is a note about passing flash vars only affects the main app.
[1] http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/spark/components/Application.html#parameters myApp.swf?param1=value1¶m2=value2 parentApplication.parameters.param1; parentApplication.parameters.param2; -Mark -----Original Message----- From: mark goldin [mailto:markzolo...@gmail.com] Sent: Friday, July 22, 2016 5:20 PM To: users Subject: Problem with URL parameters I use FlexGlobals.topLevelApplication.parameters.param_name to access URL parameters. What's happening is for whatever reason some parameters are null while other are fine. Any idea what might be? Thanks