diff --git a/telemetry/definitions/commonDefinitions.json b/telemetry/definitions/commonDefinitions.json
index 494660f54..e4a6b9389 100644
--- a/telemetry/definitions/commonDefinitions.json
+++ b/telemetry/definitions/commonDefinitions.json
@@ -1027,6 +1027,16 @@
             "type": "int",
             "description": "Truncated length of files added to context"
         },
+        {
+            "name": "cwsprChatFocusFileContextLength",
+            "type": "int",
+            "description": "Total length of current focus file added to context"
+        },
+        {
+            "name": "cwsprChatFocusFileContextTruncatedLength",
+            "type": "int",
+            "description": "Truncated length of current focus file added to context"
+        },
         {
             "name": "cwsprChatFolderContextCount",
             "type": "int",
@@ -1210,6 +1220,16 @@
             ],
             "description": "Identifies the specific interaction that opens the chat panel"
         },
+        {
+            "name": "cwsprChatUserInputContextLength",
+            "type": "int",
+            "description": "Total length of user inputs added to context"
+        },
+        {
+            "name": "cwsprChatUserInputContextTruncatedLength",
+            "type": "int",
+            "description": "Truncated length of user inputs added to context"
+        },
         {
             "name": "cwsprChatUserIntent",
             "type": "string",
@@ -1225,6 +1245,16 @@
             ],
             "description": "Explict user intent associated with a chat message"
         },
+        {
+            "name": "cwsprChatWorkspaceContextLength",
+            "type": "int",
+            "description": "Total length of workspace context"
+        },
+        {
+            "name": "cwsprChatWorkspaceContextTruncatedLength",
+            "type": "int",
+            "description": "Truncated length of workspace context"
+        },
         {
             "name": "databaseCredentials",
             "type": "string",
@@ -2201,6 +2231,14 @@
                     "type": "cwsprChatFileContextTruncatedLength",
                     "required": false
                 },
+                {
+                    "type": "cwsprChatFocusFileContextLength",
+                    "required": false
+                },
+                {
+                    "type": "cwsprChatFocusFileContextTruncatedLength",
+                    "required": false
+                },
                 {
                     "type": "cwsprChatFolderContextCount",
                     "required": false
@@ -2310,9 +2348,25 @@
                 {
                     "type": "cwsprChatTriggerInteraction"
                 },
+                {
+                    "type": "cwsprChatUserInputContextLength",
+                    "required": false
+                },
+                {
+                    "type": "cwsprChatUserInputContextTruncatedLength",
+                    "required": false
+                },
                 {
                     "type": "cwsprChatUserIntent",
                     "required": false
+                },
+                {
+                    "type": "cwsprChatWorkspaceContextLength",
+                    "required": false
+                },
+                {
+                    "type": "cwsprChatWorkspaceContextTruncatedLength",
+                    "required": false
                 }
             ]
         },