diff --git a/com.unity.render-pipelines.core/CHANGELOG.md b/com.unity.render-pipelines.core/CHANGELOG.md
index 0a34553f239..d128a3bb6f6 100644
--- a/com.unity.render-pipelines.core/CHANGELOG.md
+++ b/com.unity.render-pipelines.core/CHANGELOG.md
@@ -50,6 +50,7 @@ The version number for this package has increased due to a version update of a r
 - Added class for drawing shadow cascades `UnityEditor.Rendering.ShadowCascadeGUI.DrawShadowCascades`.
 - Added UNITY_PREV_MATRIX_M and UNITY_PREV_MATRIX_I_M shader macros to support instanced motion vector rendering
 - Added new API to customize the rtHandleProperties of a particular RTHandle. This is a temporary work around to assist with viewport setup of Custom post process when dealing with DLSS or TAAU
+- Added `IAdditionalData` interface to identify the additional datas on the core package.
 
 ### Fixed
 - Help boxes with fix buttons do not crop the label.
diff --git a/com.unity.render-pipelines.core/Runtime/Common/IAdditionalData.cs b/com.unity.render-pipelines.core/Runtime/Common/IAdditionalData.cs
new file mode 100644
index 00000000000..ccd428ec08a
--- /dev/null
+++ b/com.unity.render-pipelines.core/Runtime/Common/IAdditionalData.cs
@@ -0,0 +1,10 @@
+
+namespace UnityEngine.Rendering
+{
+    /// <summary>
+    /// Interface to identify additional data components
+    /// </summary>
+    public interface IAdditionalData
+    {
+    }
+}
diff --git a/com.unity.render-pipelines.core/Runtime/Common/IAdditionalData.cs.meta b/com.unity.render-pipelines.core/Runtime/Common/IAdditionalData.cs.meta
new file mode 100644
index 00000000000..f12e5691735
--- /dev/null
+++ b/com.unity.render-pipelines.core/Runtime/Common/IAdditionalData.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 387193679abe1894fa3e4edf840e8932
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/com.unity.render-pipelines.high-definition/Runtime/Lighting/Light/HDAdditionalLightData.cs b/com.unity.render-pipelines.high-definition/Runtime/Lighting/Light/HDAdditionalLightData.cs
index 175c7d92ce4..37bae930a9e 100644
--- a/com.unity.render-pipelines.high-definition/Runtime/Lighting/Light/HDAdditionalLightData.cs
+++ b/com.unity.render-pipelines.high-definition/Runtime/Lighting/Light/HDAdditionalLightData.cs
@@ -33,7 +33,7 @@ struct TimelineWorkaround
     [AddComponentMenu("")] // Hide in menu
     [RequireComponent(typeof(Light))]
     [ExecuteAlways]
-    public partial class HDAdditionalLightData : MonoBehaviour, ISerializationCallbackReceiver
+    public partial class HDAdditionalLightData : MonoBehaviour, ISerializationCallbackReceiver, IAdditionalData
     {
         internal const float k_MinLightSize = 0.01f; // Provide a small size of 1cm for line light
 
diff --git a/com.unity.render-pipelines.high-definition/Runtime/Lighting/Reflection/HDAdditionalReflectionData.cs b/com.unity.render-pipelines.high-definition/Runtime/Lighting/Reflection/HDAdditionalReflectionData.cs
index ad46bef5a35..3c8bfee527d 100644
--- a/com.unity.render-pipelines.high-definition/Runtime/Lighting/Reflection/HDAdditionalReflectionData.cs
+++ b/com.unity.render-pipelines.high-definition/Runtime/Lighting/Reflection/HDAdditionalReflectionData.cs
@@ -6,7 +6,7 @@ namespace UnityEngine.Rendering.HighDefinition
     [HDRPHelpURLAttribute("Reflection-Probe")]
     [AddComponentMenu("")] // Hide in menu
     [RequireComponent(typeof(ReflectionProbe))]
-    public sealed partial class HDAdditionalReflectionData : HDProbe
+    public sealed partial class HDAdditionalReflectionData : HDProbe, IAdditionalData
     {
         void Awake()
         {
diff --git a/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Camera/HDAdditionalCameraData.cs b/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Camera/HDAdditionalCameraData.cs
index 1e78578ee5d..992d363d210 100644
--- a/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Camera/HDAdditionalCameraData.cs
+++ b/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Camera/HDAdditionalCameraData.cs
@@ -158,7 +158,7 @@ public static HDPhysicalCamera GetDefaults()
     [AddComponentMenu("")] // Hide in menu
     [DisallowMultipleComponent, ExecuteAlways]
     [RequireComponent(typeof(Camera))]
-    public partial class HDAdditionalCameraData : MonoBehaviour, IFrameSettingsHistoryContainer
+    public partial class HDAdditionalCameraData : MonoBehaviour, IFrameSettingsHistoryContainer, IAdditionalData
     {
         /// <summary>
         /// How the camera should handle vertically flipping the frame at the end of rendering.
diff --git a/com.unity.render-pipelines.universal/Runtime/UniversalAdditionalCameraData.cs b/com.unity.render-pipelines.universal/Runtime/UniversalAdditionalCameraData.cs
index bda4e11e1fc..5c24e4a26b2 100644
--- a/com.unity.render-pipelines.universal/Runtime/UniversalAdditionalCameraData.cs
+++ b/com.unity.render-pipelines.universal/Runtime/UniversalAdditionalCameraData.cs
@@ -212,7 +212,7 @@ public static string GetName(this CameraRenderType type)
     [RequireComponent(typeof(Camera))]
     [ImageEffectAllowedInSceneView]
     [URPHelpURL("universal-additional-camera-data")]
-    public class UniversalAdditionalCameraData : MonoBehaviour, ISerializationCallbackReceiver
+    public class UniversalAdditionalCameraData : MonoBehaviour, ISerializationCallbackReceiver, IAdditionalData
     {
         const string k_GizmoPath = "Packages/com.unity.render-pipelines.universal/Editor/Gizmos/";
         const string k_BaseCameraGizmoPath = k_GizmoPath + "Camera_Base.png";
diff --git a/com.unity.render-pipelines.universal/Runtime/UniversalAdditionalLightData.cs b/com.unity.render-pipelines.universal/Runtime/UniversalAdditionalLightData.cs
index 20f40b977e0..58591778e48 100644
--- a/com.unity.render-pipelines.universal/Runtime/UniversalAdditionalLightData.cs
+++ b/com.unity.render-pipelines.universal/Runtime/UniversalAdditionalLightData.cs
@@ -54,7 +54,7 @@ public static UniversalAdditionalLightData GetUniversalAdditionalLightData(this
     [DisallowMultipleComponent]
     [RequireComponent(typeof(Light))]
     [URPHelpURL("universal-additional-light-data")]
-    public class UniversalAdditionalLightData : MonoBehaviour
+    public class UniversalAdditionalLightData : MonoBehaviour, IAdditionalData
     {
         // Version 0 means serialized data before the version field.
         [SerializeField] int m_Version = 1;