[](http://www.uploadify.com) # onSWFReady Input Type:**function** Input Format:**function() {}** Required:**optional** The **onSWFReady** option allows you to run a custom function when the flash button is loaded and ready. This option is useful for running actions that are dependent upon the flash file. There is no default function for this option. ### Arguments No arguments. ### Demo Javascript Code 1. $('#file_upload').uploadify({ 1.   'uploader'    : '/uploadify/uploadify.swf', 1.   'script'      : '/uploadify/uploadify.php', 1.   'cancelImg'   : '/uploadify/cancel.png', 1.   'folder'      : '/uploads', 1.   'onSWFReady'  : function(){ 1.       alert('The flash button has been loaded.'); 1.     } 1. }); HTML Code 1. <inputtype="file"id="file_upload"name="file_upload"/> 1. <ahref="javascript:$('#file_upload').uploadifyUpload();">Upload Files</a> [Upload Files](#) [](#) Help keep Uploadify free and support the development of other excellent apps!  [home](#)  |  [about](#)  |  [download](#)  |  [demos](#)  |  [documentation](#)  |  [faqs](#)  |  [forums](#) ©2011 by [Reactive Apps](http://www.reactiveapps.com)