Ensure the air fryer, and especially the paddle, has a light covering of oil spray. Add a very small amount of Rapeseed oil to the bottom of the pan if you wish, for cooking the eggs.Ensure the paddle is correctly placed in the machine.Ensure the lid is firmly closed during all cooking times.Mix 4 eggs with 200ml milk in a jug, and lightly season with salt and pepper.Pop your mixture into the air fryer and set the timer for 6 minutes.When the timer is finished, open the lid and use a wooden scraper to take any egg mix from the sides of the bowl and put it back to the bottom. Add the tomatoes.Set the timer for a further 3 minutes, then check your eggs. Your machine might need a little longer. When the eggs are fully cooked, your meal is ready.Serve in a pre-warmed bowl, and sprinkle the grated cheese on top. Wait 30 seconds, then eat.