This can be achieved by using import /export functionality of wplms form wp-admin -> Lms -> Settings -> import/export :
1. Generate and download a example file to import users.
2. Please refer screenshot to export user csv file.(options need to be choose to export users).
3. Generate and download export file .It will look like this .
Labels are mentioned in the screenshot to describe what the values are.
You can create the csv file having the same structure to import the users in a particular course.
With csv file you can add multiple users in one go.
Important points :
1. User id -
1.1. In case of adding new users please make sure that user id you are putting in csv file for each user must be unique and is not exists in the site in which you are adding students.Just put a random and unique number in csv file user id cells.
2. Course id -
Course id remain the same for all users if you want to add/edit user in same course .
3. Course status -
1 : START COURSE
2 : CONTINUE COURSE
3 : FINISH COURSE : COURSE UNDER EVALUATION
4 : COURSE EVALUATED
4. Timestamp -
Current timestamp values can be copied from wp-admin - >Lms -> Settinsg - >Admin functions.
To increase the subscription of a student incremented timestamp value must be entered :
Incremented timestamp value = Current timestamp value + (No. of days * 86400)
Example : to increase subscription by 10 days
timestamp value = current timestamp + 10(no. of days) * 86400