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I'm building a shop using Craft Commerce where a single product can be assigned to multiple categories. The url structure I'm using for the product detail page is: http://domain.com/category/product-url
In an effort to avoid being penalised for duplicate content I would like to set the canonical URL for my product detail page by always pulling the first category as the canonical URL in the meta. I've tried a few things but keep getting stuck - any tips ?
You should be able to use {{ entry.categoryFieldHandle[0].slug }}. The [0] simply grabs the first category in the field.
You will need to make sure there is always at least one category allocated to an entry or you'll get an error.
