How to have Termination date or last working date in the alert composer subject line

Summary:

We have a requirement where termination date needs to populated in the alert composer subject line for the Journey task notifications.

Please help us on how to bring the Termination date. We need the token to be used in the subject line

Also, we have a requirement where in journey if we have application task or report. For the performer it is showing as "Click the application" URL or 'Click view report' hyperlink. We wanted to change the label for those. Any idea on how to change the label

Please advise

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