diff --git a/BMA.EHR.Domain/Models/Placement/PlacementAppointmentEmployee.cs b/BMA.EHR.Domain/Models/Placement/PlacementAppointmentEmployee.cs
index 0b4a0721..e6d22771 100644
--- a/BMA.EHR.Domain/Models/Placement/PlacementAppointmentEmployee.cs
+++ b/BMA.EHR.Domain/Models/Placement/PlacementAppointmentEmployee.cs
@@ -25,5 +25,8 @@ namespace BMA.EHR.Domain.Models.Placement
         [Comment("ชื่อย่อหน่วยงาน root")]
         public string? rootShortName { get; set; }
 
+        [Comment("id DNA ใช้ในกรณีที่มีการทำสำเนาโครงสร้าง โครงสร้างใหม่ที่ทำสำเนากับโครงสร้างเก่าจะต้องมี DNA เดียวกัน เพื่อให้ track ประวัติการแก้ไขโครงสร้างย้อนหลังได้")]
+        public string? rootDnaId { get; set; }
+
     }
 }
diff --git a/BMA.EHR.Placement.Service/Controllers/PlacementAppointmentController.cs b/BMA.EHR.Placement.Service/Controllers/PlacementAppointmentController.cs
index 57fbd85e..87cecbea 100644
--- a/BMA.EHR.Placement.Service/Controllers/PlacementAppointmentController.cs
+++ b/BMA.EHR.Placement.Service/Controllers/PlacementAppointmentController.cs
@@ -1843,6 +1843,7 @@ namespace BMA.EHR.Placement.Service.Controllers
                     root = profile.root,
                     rootId = profile.rootId,
                     rootShortName = profile.rootShortName,
+                    rootDnaId = profile.rootDnaId,
 
                     CreatedFullName = FullName ?? "System Administrator",
                     CreatedUserId = UserId ?? "",
diff --git a/BMA.EHR.Placement.Service/Requests/ReportExecutePlacementAppointRequest.cs b/BMA.EHR.Placement.Service/Requests/ReportExecutePlacementAppointRequest.cs
index d19dfb81..96f0905a 100644
--- a/BMA.EHR.Placement.Service/Requests/ReportExecutePlacementAppointRequest.cs
+++ b/BMA.EHR.Placement.Service/Requests/ReportExecutePlacementAppointRequest.cs
@@ -17,5 +17,7 @@ namespace BMA.EHR.Placement.Service.Requests
         public string? root { get; set; }
         public string? rootId { get; set; }
         public string? rootShortName { get; set; }
+        public string? rootDnaId { get; set; }
+
     }
 }