diff --git a/src/calculation_time_constrains/schema.py b/src/calculation_time_constrains/schema.py
index 05bf0d3..38addcf 100644
--- a/src/calculation_time_constrains/schema.py
+++ b/src/calculation_time_constrains/schema.py
@@ -60,6 +60,7 @@ class OptimumResult(CalculationTimeConstrainsBase):
 
 
 class EquipmentResult(CalculationTimeConstrainsBase):
+    id: UUID
     corrective_costs: List[float]
     overhaul_costs: List[float]
     daily_failures: List[float]