Add the vacation message right in your theme using the inline block.
- In the Shopify admin, go to Online Store → Themes.
- Find your theme and click Customize.
- Use the top dropdown to pick the product template you want.
- Choose where the message should show, then click + Add block or + Add section.
- In Apps, select Inline message.
- Click Save.
If Inline is turned on for a rule, the message will appear in the spot you added.
Originally from our Help Center
