Shortcode and Attributes [pmpro_advanced_levels levels=”1,3,2″ layout=”3col” checkout_button=”Sign Me Up!”] Attributes include: checkout_button: The button text for the action button (default: Select). compare: Only for compare_table layout, shows the comparison item rows. See below for a demonstration. description: Show the level description; accepts “true” or “false” (default: true). discount_code: Optionally apply a discount code to your membership…