diff --git a/.changeset/neat-jobs-greet.md b/.changeset/neat-jobs-greet.md
new file mode 100644
index 0000000..d013efa
--- /dev/null
+++ b/.changeset/neat-jobs-greet.md
@@ -0,0 +1,5 @@
+---
+"@itwin/scenes-client": patch
+---
+
+Add optional `description` field to SceneObject interfaces. Enables detailed object descriptions alongside display names.
diff --git a/packages/scenes-client/src/models/object/sceneObjectCreate.ts b/packages/scenes-client/src/models/object/sceneObjectCreate.ts
index ac2dfc7..b4b65d3 100644
--- a/packages/scenes-client/src/models/object/sceneObjectCreate.ts
+++ b/packages/scenes-client/src/models/object/sceneObjectCreate.ts
@@ -24,6 +24,8 @@ export interface BaseSceneObjectCreate<
   id?: string;
   /** Optional display name for the scene object */
   displayName?: string;
+  /** Optional detailed description of the scene object */
+  description?: string;
   /** Optional number for the scene object's order in lists. */
   order?: number;
   /** Optional stacking order for clients to control rendering sequence. Objects with lower values are typically drawn beneath objects with higher values.*/
@@ -102,6 +104,7 @@ export function isSceneObjectCreate(v: unknown): v is SceneObjectCreate {
     isObject(v) &&
     (v.id === undefined || typeof v.id === "string") &&
     (v.displayName === undefined || typeof v.displayName === "string") &&
+    (v.description === undefined || typeof v.description === "string") &&
     (v.order === undefined || typeof v.order === "number") &&
     (v.displayOrder === undefined || typeof v.displayOrder === "number") &&
     (v.visible === undefined || typeof v.visible === "boolean") &&
diff --git a/packages/scenes-client/src/models/object/sceneObjectUpdate.ts b/packages/scenes-client/src/models/object/sceneObjectUpdate.ts
index b4733c2..7df8708 100644
--- a/packages/scenes-client/src/models/object/sceneObjectUpdate.ts
+++ b/packages/scenes-client/src/models/object/sceneObjectUpdate.ts
@@ -25,6 +25,8 @@ export interface SceneObjectUpdate<
   order?: number | null;
   /** Optional stacking order for clients to control rendering sequence. Objects with lower values are typically drawn beneath objects with higher values. Pass `null` to remove. */
   displayOrder?: number | null;
+  /** Optional detailed description of the scene object. Pass `null` to remove. */
+  description?: string | null;
   /** Optional parent Id for the scene object (UUID). Pass `null` to remove. */
   parentId?: string | null;
   /** Optional visibility state for the scene object. Pass `null` to remove. */
diff --git a/packages/scenes-client/tests/integration.test.ts b/packages/scenes-client/tests/integration.test.ts
index 26e6c2f..fae1f8c 100644
--- a/packages/scenes-client/tests/integration.test.ts
+++ b/packages/scenes-client/tests/integration.test.ts
@@ -262,9 +262,10 @@ describe("Scenes Objects operations", () => {
       iTwinId: ITWIN_ID,
       sceneId,
       objectId: obj1,
-      object: { displayName: undefined, order: 2, displayOrder: 5 },
+      object: { displayName: undefined, description: "TestDescription", order: 2, displayOrder: 5 },
     });
     expect(p1.object.displayName).toBe("TestLayer"); // ignored displayName
+    expect(p1.object.description).toBe("TestDescription"); // updated description
     expect(p1.object.order).toBe(2); // updated order
     expect(p1.object.displayOrder).toBe(5); // updated displayOrder
 
@@ -272,9 +273,10 @@ describe("Scenes Objects operations", () => {
       iTwinId: ITWIN_ID,
       sceneId,
       objectId: obj1,
-      object: { displayName: null, order: null, displayOrder: null },
+      object: { displayName: null, description: null, order: null, displayOrder: null },
     });
     expect(p2.object.displayName).toBe(undefined); // removed displayName
+    expect(p2.object.description).toBe(undefined); // removed description
     expect(p2.object.order).toBe(undefined); // removed order
     expect(p2.object.displayOrder).toBe(undefined); // removed displayOrder
   });
diff --git a/packages/scenes-client/tests/unit.test.ts b/packages/scenes-client/tests/unit.test.ts
index 0602c25..54b0cb1 100644
--- a/packages/scenes-client/tests/unit.test.ts
+++ b/packages/scenes-client/tests/unit.test.ts
@@ -297,13 +297,15 @@ describe("Scene Object Operations", () => {
   it("patchObject()", async () => {
     fetchMock.mockImplementation(() => createSuccessfulResponse(exampleSceneObjectResponse));
     const client = new SceneClient(getAccessToken);
+    const updateData = {
+      displayName: "Updated Object",
+      description: "Updated Description",
+    };
     await client.patchObject({
       iTwinId: "itw-1",
       sceneId: "scene-1",
       objectId: "object-1",
-      object: {
-        displayName: "UpdatedObject1",
-      },
+      object: updateData,
     });
     verifyFetch(fetchMock, {
       url: `${BASE_DOMAIN}/scene-1/objects/object-1?iTwinId=itw-1`,
@@ -312,9 +314,7 @@ describe("Scene Object Operations", () => {
         Accept: "application/vnd.bentley.itwin-platform.v1+json",
       },
       method: "PATCH",
-      body: JSON.stringify({
-        displayName: "UpdatedObject1",
-      }),
+      body: JSON.stringify(updateData),
     });
   });