[groups_paypal_subscription]
Attributes:
id– (optional/required) The page ID of the subscription for which to display the Subscribe button and checkout facility. This attribute can be omitted when the shortcode is placed on a subscription page, on any other page it is required.
button_label– (optional) The label of the subscription button, defaults to Subscribe.
payment_button_label– (optional) The label of the payment button, defaults to Checkout.
show_title– (optional) Show the title of the subscription,"true"(default) or"false".
show_price– (optional) Show the price of the subscription,"true"(default) or"false".
show_notice– (optional) Show the checkout notice,"true"(default) or"false".
[groups_paypal_return]
Attributes:
show_message– (optional) Show the message after checkout,"true"(default) or"false".
show_description– (optional) Show the description (title) of the subscription,"true"(default) or"false".
show_price– (optional) Show the price of the subscription,"true"(default) or"false".
show_groups– (optional) Show the groups that the subscription grants membership to.