Read Context Node/Attribute option in webdynpro code wizard not available

Hi Expets,

I am new to webdynpro Abap, i have developed a small application to set default values for two fields. i want to use code wizard to implement the code. When i click on code wizard icon in application tool bar, i have found lot of option like Method call in current controller, method call in used controller, Instantiate used component ... etc. But i didn't find the option Read Context Node/Attribute. Do i need to do any settings to get that. Kindly suggest. Your help will be greatly appreciated.

Venkat