.. _blendblacklist: BlendBlackList ============== BlendWhiteList defines a whitelist for fluids that the fluid can be blended with, while BlendBlackList defines a blacklist. By default those blocks are set whitelist, but you can add one of the available parameters to indicate whenever the block is a whitelist or a blacklist. Fluids that are whitelisted/blacklisted can be identified either by their category via the use of a `categories `_ child block, or by their name via the use of the `fluid `_ parameter. Hierarchy --------- **Valid Parent Blocks:** - :ref:`fluid` **Possible Child Blocks:** - :ref:`categories` ID Properties ------------- This block should not have an ID.