Hi Salamn Bashir,
In a small note you can create Iframe consisting of logout button in your embedded portal using trusted tickets.
Please have a look at this thread there are several responses which can suite your requirement.Re: Is it possible to log out from an embedded Viz without taking the user to the Server login page?
When Tableau Server is embedded
When Tableau Server is embedded in another application, Tableau Server does not provide the ability to sign out. It is the responsibility of the application in which Tableau Server is embedded to provide a mechanism to log out the user. The application can log out the user by calling this URL:
Replace <tableau-server-name> with the URL for the computer where Tableau Server installed. For example, if Tableau Server is installed on a computer named "sharepoint," the URL is:
Thank you for quick response. But the scenario is slightly different, I am not using an application with tableau embedded. But actually using the tableau server portal. All I need is a link on my dashboard that navigates (of course after killing user's session) user to server login page.
If you are using tableau server then you will have logout option .