Source Files: includes/settings/settings-metaboxes/class-ld-settings-metabox-coupon-settings.php

Method: Initialize the metabox settings fields.

Method: Filter settings values for metabox before save to database.

Method: Generates a coupon code.

Method: Maps data for the courses field.

Method: Maps data for the courses field.

Method: Maps data for the multiselect field.

Method: Public constructor for class.

Method: Initialize the metabox settings values.