如何将选定值从selectOneRadio标记传递到PrimeFaces中的fileUpload标记

I'm using PrimeFaces 6.0. I used selectOneRadio tag and populates the list from database, and then I would like to use the selected value to identify the type of document selected and pass this to fileUploadListener so that the right document type is attached to file being uploaded. How do I pass that selected value?I'm using PrimeFaces 6.0. I used selectOneRadio