SETTINGS:
PayPal
The PayPal module allows you to set up paid courses. If the cost for any course is zero, then students are not asked to pay for entry. There is a site-wide cost that you set here as a default for the whole site and then a course setting that you can set for each course individually. The course cost overrides the site cost.
The email address of your business PayPal account
Select action to carry out when user enrolment expires. Please note that some user data and settings are purged from course during course unenrolment.
Enrolment instance defaults
Default enrolment settings in new courses.
Allow users to use PayPal to enrol into a course by default.
Select role which should be assigned to users during PayPal enrolments
Default length of time that the enrolment is valid. If set to zero, the enrolment duration will be unlimited by default.