Add Item to System Form using XML

Hi,

Could some one send me the source code to add a checkbox in a system form by using XML?

I need the XML form and the code.

I have no problem using XML for SBO form stand alone; but I have problem to add items to existing system form.

I am using the UI 11 SystemFormManipulation and I have remived the C# code to use XML in added folder.

Thank you,

Rune