Sweet and sour soup

I tasted this soup at my friend's place.Really like the taste...Asked her about the recipe and here is the recipe
Ingredients:

• Beans : 6 
• Carrot: 1
• Cabbage : 30gm
• Spring onion : 2
• Sweet corn : 1/3 cup
• Ginger : 1 teaspoon(finely chopped)
• Knor Veg broth cube: 1
• Water: 500ml
• Soy sauce: 1 tb spoon
• Sri racha hot sauce : 1tb sp
• Sesame oil : 4 tb spoons
• White vinegar distilled : 1 tb sp
• Corn starch : 2 tb sp
• Salt
• Pepper powder

Procedure:

• Chop all vegetables finely.In a sauce pan heat water.Add all ingredients except pepper, oil,corn starch .Let it boil till the foam is formed.
• Add oil and let it boil for 12-15 min till vegetables are cooked.
• Mix corn starch with little water and to the boiling soup and mix well. Add enough salt.Still continuously till desired consistency is reached.
• Add enough pepper powder and take off from heat.
• Garnish with spring onion and serve hot