Group assignment to the multiple courses of the LearDash is possible easily but creating subgroups are available in the learndash.
For assigning groups to a course or lesson is done by this way:
Just go the edit page of the course or module and then select the users you want to assign the task to.
Go to the courses >> select groups option there
- Select the already created goup Or select the users you want to group together.
- these swipe buttons will be used to swip between these groups.