Place the chicken nuggets in the air-fryer* in a single layer and cook at 200°C for 7 minutes, or until cooked through (you may need to do this in batches). If your air-fryer has a basket rather than shelves, you should turn the chicken nuggets over halfway through cooking.
*Tested in a 4.2-litre air-fryer. All air-fryers are different, so results may vary.