Hi Ryan, please note that you have posted in the GoodData “Cloud” channel - So I presume that you are a GoodData Cloud customer. The documentation you’re referring to here is GoodData “Platform”, so for GD Cloud you need to refer to the following documentation:
https://www.gooddata.com/developers/cloud-native/doc/cloud/create-dashboards/attribute-filters-dashboards/
However, the “Dependent attribute filters” option is not available at this time for our GD Cloud product, so I would like to recommend that you follow our Product updates below for future developments and features coming to our platform:
https://community.gooddata.com/product-updates
Just FYI - You can differentiate the documentation in the top-left: