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1. Click on the Units Tab in the Side Menu
2. Click on the Scheduled Unit Details option in the Side menu
3. Click on the Bulk Session Enrol in the Side Menu
4. Enter any combination of Unit Code, Unit Name, Unit Provider, Start Date, End Date (Paradigm requires at least one search criteria)
5. Click on the Search Scheduled Unit Button.
6. This will return a list of units that meet the searched criteria
7. Click on the tick  of the Scheduled unit with sessions to enrol the students into.
8. Click on the tick boxes of all of the student to be enrolled into the sessions.
9. Scroll down and click on the Enrol in sessions button

Further reading

How to Schedule a Unit

How to add Session to a scheduled unit