diff --git a/IRaCIS.Core.Domain/Trial/Trial.cs b/IRaCIS.Core.Domain/Trial/Trial.cs
index b9da035a0..29b7df7eb 100644
--- a/IRaCIS.Core.Domain/Trial/Trial.cs
+++ b/IRaCIS.Core.Domain/Trial/Trial.cs
@@ -1,5 +1,6 @@
 using IRaCIS.Core.Domain.Share;
 using System.Linq;
+using ZstdSharp.Unsafe;
 
 namespace IRaCIS.Core.Domain.Models;
 
@@ -273,4 +274,6 @@ public class TrialObjectNameConfig
 
     public string TrialName { get; set; }
 
+    public bool IsDefault { get; set; }
+
 }
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