Filters and actions to adjust behavior for built-in sale modules.
Paid Memberships Pro Hooks
apply_filters( 'pmpro_pages_shortcode_checkout', $temp_content );apply_filters( 'pmpro_pages_shortcode_levels', $temp_content );apply_filters( 'swsales_pmpro_landing_page_default_discount_code', $discount_code, $sitewide_sale );