diff --git a/telemetry/definitions/commonDefinitions.json b/telemetry/definitions/commonDefinitions.json
index 89f452c5..da3dfd64 100644
--- a/telemetry/definitions/commonDefinitions.json
+++ b/telemetry/definitions/commonDefinitions.json
@@ -1307,12 +1307,12 @@
         {
             "name": "cwsprToolName",
             "type": "string",
-            "description": "Client side tool name (ex: fsWrite, executeBash)"
+            "description": "Client side tool/s name (ex: fsWrite, executeBash)"
         },
         {
             "name": "cwsprToolUseId",
             "type": "string",
-            "description": "The id for when a client side tool is used."
+            "description": "The id/s when a client side tool/s is used."
         },
         {
             "name": "databaseCredentials",
@@ -1807,6 +1807,11 @@
             "type": "string",
             "description": "The version of the language server"
         },
+        {
+            "name": "latency",
+            "type": "string",
+            "description": "latency/s from any operation or an execution like tool execution."
+        },
         {
             "name": "loadFileTime",
             "type": "int",
@@ -2806,6 +2811,40 @@
                 }
             ]
         },
+        {
+            "name": "amazonq_invokeLLM",
+            "description": "This metric is emitted per LLM call in the agentic loop with or without tool execution.",
+            "metadata": [
+                {
+                    "type": "credentialStartUrl",
+                    "required": false
+                },
+                {
+                    "type": "cwsprChatConversationId"
+                },
+                {
+                    "type": "cwsprChatConversationType"
+                },
+                {
+                    "type": "cwsprToolName"
+                },
+                {
+                    "type": "cwsprToolUseId"
+                },
+                {
+                    "type": "enabled",
+                    "required": false
+                },
+                {
+                    "type": "languageServerVersion",
+                    "required": false
+                },
+                {
+                    "type": "latency",
+                    "required": false
+                }
+            ]
+        },
         {
             "name": "amazonq_isAcceptedCodeChanges",
             "description": "User applied code changes generated for the task.",