For the product link format, a link can either be just the product or the product with a desired variant. For example, if one wanted to make a quick task for this product, the desired format for a quick task link would be:
PrismAIO allows a user to mass link change an existing task group to a new product. The URL to mass link change is below where PRODUCT_URL is changed to the product URL of what the user is trying to change to: