Kendall tracks Klaviyo traffic automatically. However, you want to ensure the UTM tags are set correctly. You want all Klaviyo campaigns to use:

utm_source=Klaviyo

utm_campaign=<Campaign name>

You can set the default UTM tracking by following the steps in this Klaviyo help doc: Klaviyo Help - Set account default UTM tags

When set correctly, the Source and Campaign rows should be configured as this screenshot below: