How to notify the link of a set up online meeting in official e-mails?

You stated, I have actually currently acknowledged him before about the meeting
I presume that you suggested “informed” instead of “acknowledged”.
The expression you utilize, “Here is the link for tomorrow's session.” appears fine as it is, but you could relate your e-mail to your previous conversation of the meeting:
“Here is the link to the meeting to be held at 10:30 AM tomorrow, that we talked about the other day:
http: link.cyberspace.universe
I eagerly anticipate your involvement.”