Enter metafield Key and Namespace. The namespace is used to group several metafields together.
By using the correct Value Type, you’ll end up with the right type of data when you use the metafields in your Liquid.
The Value is what shown on the product page.
Take the screenshot below as example and click on Save.
Once Saved, Click on the Copy Snippet icon above the Value Type.
Once the snippet is copied, head over to Shopify Admin and navigate to Edit Code under the Online Store.
Find the product.liquid file in your Liquid file and paste the code on the location you wish to display the metafield.
In this case, the snippet is added under the price.
Click on Preview Product in the Setup Metafield page and it is there.