MSM Invite to Session
If you have activated Multi Session Mode (MSM) for a particular screener, you can invite respondents to one or more sessions from Responses > Session Invite button:
Then you can specify the sessions you'd like to invite them to, or even invite them to multiple sessions at once:
The scheduling landing pages and emails can all use a variable [MSM Session #] to show participants which session they are scheduling, so if you do send multiple session invites, the MSM emails will look something like this:
And the landing pages will also indicate exactly which session after they click: