How to Add Custom Fields to Jimdo Schema Markup

1. Open your JSON Schema App dashboard and go to Manage Schema → Product
2. Select the product you want to update and click Edit Schema
3. Use the Add Field option to include additional attributes such as Brand, GTIN, MPN, color, size, or material
4. Enter the relevant values for each new field
5. Click Save Schema to apply your updates

After saving, the app will automatically update the JSON-LD structured data for that product in the background on your Jimdo website, keeping your schema accurate and optimized.