When assigning a behavior to students in your class or caseload:
Click Assign to Student(s) in the Behavior Management menu.
Select the students to add the behavior for. Put a checkmark next to their name in the right pane. You can use the search bar and filter options to narrow down your search quicker.
After selecting students on the right, they will appear on the left pane with a checkmark.
Click Finish after adding all students.