Asian wok with runner beans, zucchini, mie noodles and rapeseed lecithin

What function does rapeseed lecithin have in the wok pan?
#smoother
#creamy
#emulsifier

Ingredients for 4 persons:
1 red onion
1 Pepperoni
1 tbsp coconut oil
250gr Zucchini
250gr Brechbohnen
150ml coconut milk
250gr Mie Nudeln

Spices:
1 EL Thai Curry
1 TL Pfeffer
1/2 tsp salt

Preparation:
Heat the coconut oil in the wok pan over low heat, add the onions and pepperoni and fry until translucent. Then add the vegetables and fry briefly for 3 minutes. Now add all remaining ingredients and spices and cook for another 7 minutes with the lid closed.