While these FAQs speak to EZDrummer & SuperiorDrummer,
they should apply equally to EZKeys from an operational overview.
https://www.toontrack.com/faq/how-do-i-open-ezdrummer-in-logic/
https://www.toontrack.com/faq/how-do-i-open-superior-in-logic/
You don’t mention which version of Logic you’re using, so here’s a screenshot that I made from Logic 9 …
