Recurring payments hooks

// Fires when a subscription is created and first payment is made
do_action("gform_authorizenet_after_subscription_created", $subscription_id, $regular_amount, $initial_transaction_amount);

// Fires after every recurring payment (but not the first initial payment)
do_action("gform_authorizenet_after_recurring_payment", $entry, $subscription_id, $transaction_id, $new_payment_amount);

// Fires when the subscription is cancelled
do_action("gform_authorizenet_subscription_canceled", $entry, $subscription_id, $transaction_id, $new_payment_amount);