Populate user email address in the forms from REMOTE_USER

I’m not entirely sure to be honest. There is a previous thread around some questions about how the emailing works, with a suggestion of how to set headers with this information in the cluster config here:

Which is a bit older and was linked form another conversation around getting emails for jobs here:

In short, I’m not sure of a way to pull this to populate the form and submit unless you can glean something from those posts.