This page describes how to add taxonomy workflow to advanced search perspective. In short, you need to take the following steps.
Make sure you have enabled the Taxonomy Plugin and configured it correctly.
Make sure you have enabled the Advanced Search Perspective.
Make sure you add the taxonomy workflow dependency in your cms project's pom.xml. If this is not the case see the Installation page.
To be able to use this plugin you must first set your taxonomy's name in the configuration. In this documentation we will use the taxonomy name 'Priority' that we already set up in the demo project.
To enable the taxonomy workflow in advanced search you need to add the new workflow category to its configuration
If the property workflow.categories does not allow multiple values, you will have to write down the current value, delete the property and recreate it with 'Multi value' checkbox enabled, and then add the old value.