MythAuth: how implement log out from all devices?

If you set sessionExpiration = 0 then all devices will be logged out on web browser closing.

Thank you for your answer.
But i mean how to implement it inside profile page for example.
For example user inside settings page opens security menu and there will be all active sessions with device names and "logout all devices" button. Pressing this button should clear all active sessions in all devices except this one.
Thank you in advance.

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://imgur.com/xxcMU4gs://imgur.com/xxcMU4g