First, you need to create metafield -> admin/settings/Metafields
Add definition
- Add Metafield Values
- Metafield Name *(required)
- Namespace and key *(required) – ( e.g namespace.key)
- Select content type *(required)
Add meta field value for the specific product
- Go to the product list
Go to the single product > Scroll down > Then add a meta field value