step by step how to make chocolate cake

2 eggs
1- Xc of 240 ml of sugar
1 Xc of 240 ml of chocolate powder
2- Xc of 240 each of wheat flour
1- Xc of 240 ml of hot water
1- Xc of hot oil
1- tablespoon of baking powder

roof
1- box of condensed milk
1- tablespoon of margarine
4 tablespoons granulated chocolate powder to taste