[Zope-dev] how to pass dynamic value in session

I want to store a dynamic value in dtml session...like.. <dtml-let data="sessionMgn.getSessionData()"> <input name="name" width=30 value=""> <dtml-call "data.set('name', nameobject)"> </dtml-let> now i want to pass on the value entered in textbox in session object that is nameobject...how do i do that..plz let me know how to do this in dtml.... in somewhere i found that as a method session value is passed ...so let me know with out python script is it possible to pass DYNAMIC VALUE to session.. help me out... reg