Grilled Eggplant Salad With Onion And Cucumber

• 2 eggplants
• 1 european cucumber
• 120 ml cider vinegar
• 28 gr firmly packed brown sugar
• 30 ml salad oil
• 1 gr salt
• 6 packages over a bed of (solid hot)
• 1 slice onion (red)
• 3/4 slices thinly (thick sliced)