How the keyword rules do rules work?

The Keyword Rules engine is the core of PPC.tools  functionality. PPC.tools  rules engine allows you to develop a comprehensive keyword movement strategy to optimize campaign performance and eliminate manual management of search term harvesting. You can use rules to generate new keywords or new negative keywords based on search term performance across a set of campaigns or ad groups. Once a converting keyword is identified, the rule can be structured to start keywords of any match type in any ad group.