diff --git a/MVMCore/MVMCore/Utility/PropertyWrappers/DecodableDefault.swift b/MVMCore/MVMCore/Utility/PropertyWrappers/DecodableDefault.swift
index b891942..9d1bb69 100644
--- a/MVMCore/MVMCore/Utility/PropertyWrappers/DecodableDefault.swift
+++ b/MVMCore/MVMCore/Utility/PropertyWrappers/DecodableDefault.swift
@@ -65,6 +65,10 @@ extension DecodableDefault {
         public enum EmptyMap<T: Map>: Source {
             public static var defaultValue: T { [:] }
         }
+        
+        public struct UUIDStringSource: DecodableDefaultSource {
+            public static var defaultValue: String { UUID().uuidString }
+        }
     }
 }
 
@@ -74,6 +78,7 @@ extension DecodableDefault {
     public typealias EmptyString = Wrapper<Sources.EmptyString>
     public typealias EmptyList<T: List> = Wrapper<Sources.EmptyList<T>>
     public typealias EmptyMap<T: Map> = Wrapper<Sources.EmptyMap<T>>
+    public typealias UUIDString = Wrapper<Sources.UUIDStringSource>
 }
 
 extension DecodableDefault.Wrapper: Equatable where Value: Equatable {}