[](http://www.uploadify.com) # onSelect Input Type:**function** Input Format:**function(event,ID,fileObj) {}** Required:**optional** The **onSelect** option allows you to run a custom function for each file when being added to the queue. The default function creates a new queue item for the file and places it in the queue. If the custom function returns **false**, the default function will not run. ### Arguments **event **The event object. **ID **The unique identifier of the file that was selected.**** **fileObj **An object containing details about the file that was selected. - **[name]** - The name of the file**** - **[size]** - The size in bytes of the file**** - **[creationDate]** - The date the file was created**** - **[modificationDate]** - The last date the file was modified**** - **[type]** - The file extension beginning with a '.' ### Demo Javascript Code 1. $('#file_upload').uploadify({ 1. ? 'uploader' ? ?: '/uploadify/uploadify.swf', 1. ? 'script' ? ? ?: '/uploadify/uploadify.php', 1. ? 'cancelImg' ? : '/uploadify/cancel.png', 1. ? 'folder' ? ? ?: '/uploads', 1. ? 'multi' ? ? ? : true, 1. ? 'onSelect' ? ?: function(event,ID,fileObj){ 1. ? ? ? alert('The file ' + fileObj.name + ' was added to the queue.'); 1. ? ? } 1. }); HTML Code 1. <inputtype="file"id="file_upload"name="file_upload"/> 1. <ahref="javascript:$('#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)