Get class email list from Banner and use that list to invite students to course workspace

Under Faculty Services → Select Summary Class List

Select CRN and Submit

Select the Email class option at the bottom left of page and it will open your email program with the email addresses populated.

Copy those email addresses

Open Slack workspace and select workspace in upper left corner of screen → Invite people to workspace 

Select the members option

Paste the emails that you copied from Banner into the field and add

The email addresses are populated to be sent as invitations → send invitations