Preheat the air fryer for 2 minutes to 200˚C / Air fryer setting.
Place the potatoes, garlic cloves, onion, harissa ,seasoning and the chicken thighs in a large bowl.
Toss everything together, cover the bowl and set if possible to marinate for 30 minutes or overnight for stronger flavours.
Transfer to the air fryer bowl and in the air fryer machine.
Cook for 20-30 minutes, until the potatoes are tender, and the chicken are crisp and cooked through.
Serve immediately with a salad of tomato, leaves and cucumber.