Role based access on buttons

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1

Hi,

I have a query result portlet. I want a functionality that user should be able to select a particular row from the result portlet and click on a button. This button should not be visible if the user does’nt have the particular role.

How can this be achieved?

thanks in advance,
Ninad

2

There is an access control panel which is sensitive to the user role/group information.