Based on the information in these resources: https://developer.paypal.com/docs/subscriptions/full-integration/subscription-management/#revise-subscription https://developer.paypal.com/docs/subscriptions/reference/#webhooks It seems that the event for updating a billing subscription is BILLING.SUBSCRIPTION.UPDATED Is it the same one for upgrading/revising a billing subscription? This is not documented anywhere. Can someone please confirm if it is the same webhook event?
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