Once the code is inserted and saved, refresh the GSDT to run the test again to ensure that the product schema and aggregateRating is showing up well. There should not be any errors present in the schema In cases where metafield is not present in a Shopify store (syndicated stores) A different set of rich snippet codes needs to be installed, which rely on pulling the review data from widget directly instead of the Shopify metafields:

Vaporizer Cleaning Brush

Regular price $7.00 Sale price $5.00 Save $2.00
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Vaporizer Cleaning Brush

This is a quality cleaning brush appropriate for virtually any dry herb vape. The bristles are not made of a plastic or nylon that will melt in a hot chamber. And the handle is made of a smooth real wood. This is an essential accessory for anyone wanting to keep their vape good as new!