Fill in what you know, copy the link, paste it into the email. Nothing here is saved or sent.
Which link
Pick before you fill anything in, since it changes which fields matter.
Parent or guardian
The link
Updates as you type.
Copied
The email
Edit anything in square brackets before sending.
Copied
Send it before they leave the centre. The notification landing while the assessment conversation is still fresh does more for completion than any wording. Then add a line to your sent log.