How to add a new field in Feedback form in Dot Net Nukes

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ASP.NET

Hi All,

Can any body help me plz i am working on DotNetNukes 5.0(DNN)CMS.
I am working on server,i hav added a new inbuilt feedback module in a page.It has Name,Email,Subject,Message that is predefined.

I want to add Purpose (with a dropdown list),City (Textbox),Company Name (Textbox),Mobile No(TextBox),WebSite(TextBox).

Please help me for the same with some setting to be follower rather then Code .

Thanks in Advance.