delay jquery uploadify process for certain period of time

In jquery uploadify plugin, after seleting multiple files ti upload, i want to put a condition for each file in the queue, and if that condition satisfy then only uploadi开发者_开发知识库ng process should continue. otherwise it should stop uploading files. How to check this conditions,

Please help me to get out of this problem

---

onComplete() will fire for each file upload event, and uploadifyClearQueue() will cancel the uploading process.

That won't delay the uploadify for a certain period of time as you put it in the title, but it will enable you to check for a condition and cancel the process if necessary.