diff --git a/src/controllers/storeController.js b/src/controllers/storeController.js
index d2eb5972..a59932d8 100644
--- a/src/controllers/storeController.js
+++ b/src/controllers/storeController.js
@@ -1945,6 +1945,38 @@ exports.getquotationofinstalleranduser = async (req, reply) => {
 };
 
 
+exports.updateInstallationId = async (req, reply) => {
+  try {
+    const { orderId } = req.params;
+    const { installationId } = req.body;
+
+    if (!orderId || !installationId) {
+      return reply.status(400).send({ error: "orderId and installationId are required" });
+    }
+
+    // Update the order with the new installationId
+    const updatedOrder = await Order.findByIdAndUpdate(
+      orderId,
+      { installationId, updated_at: new Date().toISOString() }, // Also update the timestamp
+      { new: true } // Return the updated document
+    );
+
+    if (!updatedOrder) {
+      return reply.status(404).send({ error: "Order not found" });
+    }
+
+    return reply.send({
+      status_code: 200,
+      message: "Installation ID updated successfully",
+      data: updatedOrder,
+    });
+  } catch (err) {
+    console.error("Error updating installationId:", err);
+    return reply.status(500).send({ error: "Internal server error" });
+  }
+};
+
+
 exports.handleEstimation = async (req, reply) => {
   try {
     const { customerId, items, estimatedTotal, action } = req.body;
diff --git a/src/routes/storeRoute.js b/src/routes/storeRoute.js
index ac661a8f..0214016b 100644
--- a/src/routes/storeRoute.js
+++ b/src/routes/storeRoute.js
@@ -1608,6 +1608,74 @@ fastify.get("/api/getSingleQuotationData/:quotationId", {
   handler: storeController.getSinleQuotationData,
 });
 
+
+fastify.put("/api/updateInstallationId/:orderId", {
+  schema: {
+    tags: ["Install"],
+    description: "Update the installationId of an order",
+    summary: "Update installationId",
+    params: {
+      type: "object",
+      properties: {
+        orderId: {
+          type: "string",
+          description: "Order ID",
+        },
+      },
+      required: ["orderId"],
+    },
+    body: {
+      type: "object",
+      properties: {
+        installationId: {
+          type: "string",
+          description: "Installation ID to update",
+        },
+      },
+      required: ["installationId"],
+    },
+    response: {
+      200: {
+        description: "Installation ID updated successfully",
+        type: "object",
+        properties: {
+          status_code: { type: "number" },
+          message: { type: "string" },
+          data: { type: "object" },
+        },
+      },
+      400: {
+        description: "Bad request",
+        type: "object",
+        properties: {
+          error: { type: "string" },
+        },
+      },
+      404: {
+        description: "Order not found",
+        type: "object",
+        properties: {
+          error: { type: "string" },
+        },
+      },
+      500: {
+        description: "Internal server error",
+        type: "object",
+        properties: {
+          error: { type: "string" },
+        },
+      },
+    },
+    security: [
+      {
+        basicAuth: [],
+      },
+    ],
+  },
+  handler: storeController.updateInstallationId,
+});
+
+
 fastify.post("/api/cart/hardwareItem", {
   schema: {
     description: "To add items to the Hardwarecart",