2. Add Product metafields

1. From your Shopify admin, go to Apps > Metafields guru.
2. Click the Products & Variants row.
3. Find and click the product you want to add product metafield.
4. In each meta field, you can edit the namespace, key, type, and value. Click the Create metafield if you want to create a new one. Then click the Save button to save your changes.