A Metafield allows you to add information to your store that isn’t included in the standard Shopify configuration. The most popular is Product Metafield. It will enable us to display more details about each product on the product page.
First, you will need to create a custom product metafield by following steps:
Hit “Save” when finished.
Once you’ve successfully created the product metafield, you may notice that it has been added to your product settings. Then, to add value to your recently created metafield, follow the steps outlined below.
Step 1: Go to Shopify Admin > Products and select the product you want to add more information through metafields.