How to set a variable in portal session using web dynpro java.

Hi,
I have created a web dynpro application, which is running inside portal. I have created a role called "R1". Inside role R1, i have created 3 workset W1, W2 and W3. and inside each workset i have some pages and iviews.
My requirement is when user logins to the portal , and when he clicks on role R1 for the first time, a login page should come (so that we can do revalidation), and when he enters his password again in that login page , then only workset W1, W2 and W3 should be visible/accessible to him and after successful revalidation, if he clicks again on role R1, in that particular portal session, than that login page should not come.
for this, i thought i will set a variable in portal session, whenever user successfully revalidated himself, and if after successful revalidation he clicks again on role R1, i will check in doinit method of webdynpro whether variable is set or not (which i already set on successful revalidation), and if it is set then i will do Donavigation else i will present login page to the user.
Can anyone tells me how to set a variable in portal session using web dynpro java.
thanks
Arush

Hi,
Try this:
WDScopeUtil.put(WDScopeType.CLIENTSESSION_SCOPE, key, value)
WDScopeUtil.get(WDScopeType.CLIENTSESSION_SCOPE, key)
Ex:
WDScopeUtil.put(WDScopeType.CLIENTSESSION_SCOPE,"Key1","Value1");
String value1=WDScopeUtil.get(WDScopeType.CLIENTSESSION_SCOPE,"Key1").toString();
/people/william.cui/blog/2007/02/12/sharing-session-context-between-parent-and-external-windows-running-on-same-host
Regards,
Charan

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