You can let your subscribers change the name, number, regular terms, or currency of an existing subscription without canceling it and re-subscribing by creating a Modify Subscription button. This button can be built to allow buyers to modify existing subscriptions only, or either modify existing subscriptions or sign up for a new subscription if no active subscriptions exist.Buyers will not be able to modify the terms of their trial periods or change any variables other than: Subscription Name, Reference Item Number, Regular Subscription Rate, Regular Billing Cycle, and Currency.To create a Modify Subscription button or link:
1. Create a regular Subscriptions button using the instructions described in the PayPal Subscriptions Button Factory section of this document, which begins on page 7. Specify the terms of the new (modified) subscription in this button.
2. Click Create Button Now and copy the resulting HTML or link code.
3. If your users will be modifying their subscription by clicking a button on your website, paste the provided HTML code into your Web page. Between the <form> and </form> tags, insert one of the following lines:
– To make a Modify Or Sign Up button, meaning buyers can use this button to either modify existing subscriptions or sign up for new subscriptions, insert this line:
<input type=”hidden” name=”modify” value=”1”>
– To make a Modify Only button, meaning buyers can only use this button to modify existing subscriptions rather than signing up for a new subscription, insert this line:
<input type=”hidden” name=”modify” value=”2”>
4. If your users will be modifying their subscription by clicking a link in an email, paste the link code into an email and add the following text to the end of the link.
– To make a Modify Or Sign Up link, meaning buyers can use this link to either modify existing subscriptions sign up for new subscriptions, append this to the URL:
modify=1
– To make a Modify Only link, meaning buyers can only use this link to modify existing subscriptions rather than signing up for a new subscription, append this to the URL:
modify=2