And if you want to adjust fan speed make sure your fan pull cord is set to high so the motor with allow a higher voltage input from the Wi-Fi controller. Then you simply say Alexa turn the fan on 1 (2 or 3) each number being 1 for low 2 for medium and 3 for high.
https://www.amazon.com/Ceiling-Controller-Compatible-Required-Universal/dp/B07Z948VY4