productTypeL3 property
[Product type (3rd level)](https://developers.google.com/shopping-content/guides/reports/segmentation#category_and_product_type) in merchant's own product taxonomy.
Implementation
core.String? productTypeL3;
[Product type (3rd level)](https://developers.google.com/shopping-content/guides/reports/segmentation#category_and_product_type) in merchant's own product taxonomy.
core.String? productTypeL3;