public function generate_review_data( $comment ) {
		$markup                  = array();
		$markup['@type']         = 'Review';
		$markup['@id']           = get_comment_link( $comment->comment_ID );
		$markup['datePublished'] = get_comment_date( 'c', $comment->comment_ID );
		$markup['description']   = get_comment_text( $comment->comment_ID );
		$markup['itemReviewed']  = array(
			'@type' => 'Product',
			'name'  => get_the_title( $comment->comment_post_ID ),
		);

		// Skip replies unless they have a rating.
		$rating = get_comment_meta( $comment->comment_ID, 'rating', true );

		if ( $rating ) {
			$markup['reviewRating'] = array(
				'@type'       => 'Rating',
				'bestRating'  => '5',
				'ratingValue' => $rating,
				'worstRating' => '1',
			);
		} elseif ( $comment->comment_parent ) {
			return;
		}

		$markup['author'] = array(
			'@type' => 'Person',
			'name'  => get_comment_author( $comment->comment_ID ),
		);

		$this->set_data( apply_filters( 'woocommerce_structured_data_review', $markup, $comment ) );
	}