diff --git a/worker.md b/worker.md
index c7ad37e..ee3eb67 100644
--- a/worker.md
+++ b/worker.md
@@ -58,12 +58,17 @@ This message is crucial for the backend to monitor your worker's health and stat
       "subscriptionIdentifier": "display-001;cam-001",
       "modelId": 101,
       "modelName": "General Object Detection",
-      "online": true
+      "online": true,
+      "cropX": 100,
+      "cropY": 200
     }
   ]
 }
 ```
 
+> **Note:**
+> - `cropX` and `cropY` (optional, integer) should be included in each camera connection to indicate the initial crop coordinates for that subscription.
+
 ### 4.2. Image Detection
 
 Sent when the worker detects a relevant object. The `detection` object should be flat and contain key-value pairs corresponding to the detected attributes.