Record the explanation you give every new client. They watch it the day they sign, on a page with your branding, with your documents handed out at the end.
The session you would record
Client briefing on how we will work together
Runs whenever someone registers

Client briefing on how we will work together. Times are an example.
Send the briefing link
The client registers and their session starts straight away.
They hear it from you
The full explanation, on a page with your branding.
Documents handed over
Your engagement letter or process note appears on the end card.
You know they watched
Attendance and watch time are on their record.
Yes. Handouts can appear on the waiting screen, during the session or on the end card.
Yes. A webinar can allow one attendance per person.
Yes. Add your own fields — a company name, a reference number, a dropdown of services.
Yes. A follow-up can go only to the people who registered and did not attend.
Record it once. Let it run.
Fourteen days with everything switched on, no card.