diff --git a/src/routes/storeRoute.js b/src/routes/storeRoute.js
index c07814e0..bed69c81 100644
--- a/src/routes/storeRoute.js
+++ b/src/routes/storeRoute.js
@@ -1150,6 +1150,7 @@ fastify.post('/api/generateHardwareMasterId/:storeId', {
         from: { type: 'string', description: 'Starting hardwareId (e.g., 00000020)' },
         to: { type: 'string', description: 'Ending hardwareId (e.g., 00000030)' },
         type: { type: 'string', description: 'Type of sensor' },
+        quantity: { type: 'string' },
       },
     },
   },