I simply want to be able to add some lines of text to the emails that are triggered.

In our case this would simply be to let the team know the deployment was complete please proceed with any manual steps for example. In our org this would simply save a step for the release manager to have to trigger an email stating this and be included in the email triggered by gearset.

This functionality might also play out nicely that we could have some more specific text around the test jobs that we trigger. For example, we have thought to send these results to our change advisory board and some custom text within this would be handy as well.