Finely chop the tomatoes and green peppers. (brunoise)
Finely chop the green onions and parsley.
Chop the onion as small as possible and rub it with a little salt.
Put all the ingredients in a large bowl, add the coarsely crushed walnuts (close to 1 cup), olive oil, and pomegranate syrup.
Add about 1 tablespoon of sumac.
Mix well and put on a serving plate.
You can adjust the amount of olive oil and pomegranate syrup according to your own taste. (approximately 2-4 tablespoons.)