How to Call a Yprogram and showing Output using Webdynpro ABAP by passing the Vendor values to the program from WebDynpro

Hi All,

   Can anyone help on this,I have a requirement to show the Yprogram output by passing values to it using WebDynpro.How can I acheive this.I am new to WebDynpro can any one help in this?

Thanks In Advance