Introduction
The announcement banner is shown to customers upon completing a transaction. It prominently appears in checkout pages and helps increase referral conversions.
Mention Me announcement banner on the Thank You page
Configuring Your Checkout
Navigate to Settings in your Shopify admin.
The Settings navigation in the Shopify admin.

The Checkout settings page in the Shopify admin.

The Checkout page with the Customise button.
Where to Add the Announcement
Add the Mention Me Announcement block in two locations:- Thank You page — appears after order confirmation
- Order Status page — where customers review their order status
Adding to Thank You Page
Switch to the Thank You Page

The checkout editor page selector showing the Thank You page.
Add a Block

The Add block option under the Announcement bar section.
Select the Announcement

Selecting the Mention Me Refer a Friend Journey block.
Adding to Order Status Page
Switch to the Order Status Page

The checkout editor page selector showing the Order Status page.
Add a Block

The Add block option under the Announcement bar section.
Select the Announcement

Selecting the Mention Me Refer a Friend Journey block for the Order Status page.

The Mention Me announcement banner shown on the Order Status page.