diff --git a/src/routes/installationRoute.js b/src/routes/installationRoute.js
index cd46810f..9c06e1bd 100644
--- a/src/routes/installationRoute.js
+++ b/src/routes/installationRoute.js
@@ -764,7 +764,7 @@ fastify.post(
         },
         handler: installationController.getIotDataByCustomer,
       });
-      fastify.get("/api/getsinglemasterlistwithslaves/:customerId", {
+      fastify.get("/api/getsinglemasterlistwithslaves/:customerId/:hardwareId", {
         schema: {
           description: "Get single check masrter connected slave data",
           tags: ["Installation"],
@@ -777,6 +777,14 @@ fastify.post(
             },
             required: [ "customerId"],
           },
+          //   querystring: { // ✅ allow customerId in query string
+          //   type: 'object',
+          //   required: ['customerId'],
+          //   properties: {
+          //     customerId: { type: 'string' },
+          //      hardwareId: { type: "string" },
+          //   }
+          // }
         },
         handler: installationController.getIotDataByCustomerAndHardwareId,
       });