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Enable the Theme App Extension

WTPBiz Neon Designer uses a Shopify theme app extension to show the Neon Sign Builder on your product pages. No code required.
  1. In your Shopify admin, go to Online Store > Themes.
  2. Click Customize on your active theme.
  3. Open the product page template used by your neon products.
  4. Click Add block or Add section and search for Neon Sign Builder (WTPBiz Neon Designer). Select and add it.
  5. Position the block where you want the builder to appear.
  6. Click Save.
You can also open this step from the Dashboard by clicking Enable theme app extension in the setup checklist.

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Verify the Integration

After saving, visit a neon product page on your store and confirm the builder is visible. If it does not appear, check that:
  • The correct product page template is selected in the theme editor.
  • The product is added under Rules & Products with a rule assigned.
  • The Neon Sign Builder block is saved on the product template.