This document contains all the information related to subscription upgrade confirmation emails, email customization, and activation.
Overview / Purpose of the Email
“Upgrade Completed” is the email notification sent automatically when a customer successfully upgrades their existing subscription.
This notification confirms the upgrade and provides the updated subscription and payment details so customers clearly understand their new plan and billing status.
The email includes:
- Subscription start date
- Subscription ID
- Payment method
- Product details (title, variation, quantity, and price)
- Subtotal
- Shipping
- Taxes
- Discounts
- Total amount charged
- A link to the My Account page for subscription and payment management
Access “ Upgrade Completed” Email Notification
Navigate to Sublium Subscriptions ⇒ Settings ⇒ Notifications.
Under the Subscriptions tab, you will find the Upgrade Completed email notification.

Trigger Conditions / When It Is Sent
This email is sent when:
- A customer upgrades their subscription plan
- An admin upgrades the subscription manually
Audience / Recipient
By default, this email is sent to the customer.
Email Customization
You can customize this notification using two editor types:
- Rich Text
- Visual Editor
A prebuilt Upgrade Completed” template is available in both editors, which you can customize or rebuild as needed.
Personalization
Sublium Subscriptions offers merge tags to personalize the subject line, preview text, and email content.
Simply copy and paste them where needed.
Here are the merge tags used in the prebuilt template:
- {{subscriber_first_name}} – Subscriber’s first name
- {{site_title}} – Name of your website/store
- {{subscription_start_date}} – Subscription start date
- {{subscription_id}} – Subscription ID
- {{card_update_url}} – URL for the subscriber to update their payment details
- {{admin_email}} – Admin email address for support
How To Activate
To activate the “Upgrade Completed” email, turn ON the toggle next to the notification inside Sublium Subscriptions.

This is how you can manage email notifications when a subscription upgrade is completed.