We've already explained how to set up Zapier rules to help you automate your Campaign Management. But Zapier has a more advanced setup that you can use to further the complexity of your rules: Filters!
When you're creating your Zap, you'll see a step between the two apps you're linking:
Clicking on the + will add a new step, and will enable you to decide whether or not the action you asked the Zap to perform should be done or not:
After that, the extent of your filter will depend on the App you had chosen first (here, it's a basic push on the Zapier Chrome Extension)
With these filters, you should up your automation game!