diff --git a/PacletInfo.wl b/PacletInfo.wl
index 0dfe4d32..9ab63331 100644
--- a/PacletInfo.wl
+++ b/PacletInfo.wl
@@ -1,7 +1,7 @@
 PacletObject[ <|
     "Name"           -> "Wolfram/Chatbook",
     "PublisherID"    -> "Wolfram",
-    "Version"        -> "1.5.2.2",
+    "Version"        -> "1.5.2.3",
     "WolframVersion" -> "14.1+",
     "Description"    -> "Wolfram Notebooks + LLMs",
     "License"        -> "MIT",
diff --git a/Source/Chatbook/Actions.wl b/Source/Chatbook/Actions.wl
index ba1e9efe..d05b332e 100644
--- a/Source/Chatbook/Actions.wl
+++ b/Source/Chatbook/Actions.wl
@@ -444,7 +444,7 @@ EvaluateChatInput[ evalCell_CellObject, nbo_NotebookObject ] :=
 EvaluateChatInput[ evalCell_CellObject, nbo_NotebookObject, settings_Association? AssociationQ ] :=
     withChatStateAndFEObjects[
         { evalCell, nbo },
-        Block[ { $AutomaticAssistance = False, $aborted = False },
+        setServiceCaller @ Block[ { $AutomaticAssistance = False, $aborted = False },
             $lastCellObject     = None;
             $lastChatString     = None;
             $lastMessages       = None;
diff --git a/Source/Chatbook/ChatModes/ContentSuggestions.wl b/Source/Chatbook/ChatModes/ContentSuggestions.wl
index ef7c2745..9ceb6ff3 100644
--- a/Source/Chatbook/ChatModes/ContentSuggestions.wl
+++ b/Source/Chatbook/ChatModes/ContentSuggestions.wl
@@ -508,8 +508,8 @@ executeWLSuggestions0 // beginDefinition;
 executeWLSuggestions0[ KeyValuePattern @ { "Instructions" -> instructions_, "Context" -> context_ } ] :=
     executeWLSuggestions0[ instructions, context ];
 
-executeWLSuggestions0[ instructions_, context_ ] :=
-    setServiceCaller @ LogChatTiming @ suggestionServiceExecute[
+executeWLSuggestions0[ instructions_, context_ ] := setServiceCaller[
+    LogChatTiming @ suggestionServiceExecute[
         $suggestionsService,
         "Chat",
         {
@@ -522,7 +522,9 @@ executeWLSuggestions0[ instructions_, context_ ] :=
             "MaxTokens"   -> $wlSuggestionsMaxTokens,
             "Temperature" -> $wlSuggestionsTemperature
         }
-    ];
+    ],
+    "WLSuggestions"
+];
 
 executeWLSuggestions0 // endDefinition;
 
@@ -548,19 +550,22 @@ executeWLSuggestionsFIM[ as_Association ] := Enclose[
         suffix = ConfirmBy[ after<>"\n\n\n"<>docs, StringQ, "Suffix" ];
 
         responses = ConfirmMatch[
-            Table[
-                setServiceCaller @ LogChatTiming @ suggestionServiceExecute[
-                    $wlFIMService,
-                    "RawCompletion",
-                    DeleteMissing @ <|
-                        "model"   -> $wlFIMModel,
-                        "prompt"  -> prompt,
-                        "suffix"  -> suffix,
-                        "stream"  -> False,
-                        "options" -> $wlFIMOptions
-                    |>
+            setServiceCaller[
+                Table[
+                    LogChatTiming @ suggestionServiceExecute[
+                        $wlFIMService,
+                        "RawCompletion",
+                        DeleteMissing @ <|
+                            "model"   -> $wlFIMModel,
+                            "prompt"  -> prompt,
+                            "suffix"  -> suffix,
+                            "stream"  -> False,
+                            "options" -> $wlFIMOptions
+                        |>
+                    ],
+                    $wlFIMSuggestionsCount
                 ],
-                $wlFIMSuggestionsCount
+                "WLSuggestions"
             ],
             { __Association },
             "Responses"
@@ -839,20 +844,23 @@ generateTextSuggestions[ Dynamic[ container_ ], nbo_, root_CellObject, context0_
 
         $lastInstructions = instructions;
 
-        response = setServiceCaller @ LogChatTiming @ suggestionServiceExecute[
-            $suggestionsService,
-            "Chat",
-            {
-                "Messages" -> {
-                    <| "Role" -> "System", "Content" -> instructions |>,
-                    <| "Role" -> "User"  , "Content" -> context      |>
-                },
-                "Model"       -> $textSuggestionsModel,
-                "N"           -> $textSuggestionsCount,
-                "MaxTokens"   -> $textSuggestionsMaxTokens,
-                "Temperature" -> $textSuggestionsTemperature,
-                "StopTokens"  -> { "\n\n" }
-            }
+        response = setServiceCaller[
+            LogChatTiming @ suggestionServiceExecute[
+                $suggestionsService,
+                "Chat",
+                {
+                    "Messages" -> {
+                        <| "Role" -> "System", "Content" -> instructions |>,
+                        <| "Role" -> "User"  , "Content" -> context      |>
+                    },
+                    "Model"       -> $textSuggestionsModel,
+                    "N"           -> $textSuggestionsCount,
+                    "MaxTokens"   -> $textSuggestionsMaxTokens,
+                    "Temperature" -> $textSuggestionsTemperature,
+                    "StopTokens"  -> { "\n\n" }
+                }
+            ],
+            "TextSuggestions"
         ];
 
         suggestions = DeleteDuplicates @ ConfirmMatch[ getTextSuggestions @ response, { __TextData }, "Suggestions" ];
@@ -1009,19 +1017,22 @@ generateNotebookSuggestions0[ Dynamic[ container_ ], nbo_, root_NotebookObject,
 
         $lastInstructions = instructions;
 
-        response = setServiceCaller @ LogChatTiming @ suggestionServiceExecute[
-            $suggestionsService,
-            "Chat",
-            {
-                "Messages" -> {
-                    <| "Role" -> "System", "Content" -> instructions |>,
-                    <| "Role" -> "User"  , "Content" -> context      |>
-                },
-                "Model"       -> $notebookSuggestionsModel,
-                "N"           -> $notebookSuggestionsCount,
-                "MaxTokens"   -> $notebookSuggestionsMaxTokens,
-                "Temperature" -> $notebookSuggestionsTemperature
-            }
+        response = setServiceCaller[
+            LogChatTiming @ suggestionServiceExecute[
+                $suggestionsService,
+                "Chat",
+                {
+                    "Messages" -> {
+                        <| "Role" -> "System", "Content" -> instructions |>,
+                        <| "Role" -> "User"  , "Content" -> context      |>
+                    },
+                    "Model"       -> $notebookSuggestionsModel,
+                    "N"           -> $notebookSuggestionsCount,
+                    "MaxTokens"   -> $notebookSuggestionsMaxTokens,
+                    "Temperature" -> $notebookSuggestionsTemperature
+                }
+            ],
+            "NotebookSuggestions"
         ];
 
         $finishReason = response[ "FinishReason" ];
diff --git a/Source/Chatbook/ChatState.wl b/Source/Chatbook/ChatState.wl
index 3c1bbb54..fcd3da15 100644
--- a/Source/Chatbook/ChatState.wl
+++ b/Source/Chatbook/ChatState.wl
@@ -69,7 +69,7 @@ withChatStateAndFEObjects[ { cell_CellObject, None }, eval_ ] :=
     withChatState @ withChatEvaluationCell[ cell, eval ];
 
 withChatStateAndFEObjects[ { None, nbo_NotebookObject }, eval_ ] :=
-    withChatState @ withEvaluationNotebook[ nbo, eval ];
+    withChatState @ withAppNameCaller[ nbo, withEvaluationNotebook[ nbo, eval ] ];
 
 (* Operator forms: *)
 withChatStateAndFEObjects[ cell_CellObject ] :=
@@ -100,7 +100,7 @@ withChatEvaluationCell[ cell_CellObject, eval_ ] :=
             cell,
             (* Initialize settings cache: *)
             AbsoluteCurrentChatSettings @ cell;
-            eval
+            withAppNameCaller[ cell, eval ]
         ]
         ,
         (* CompoundExpression cannot be used here due to bug(450686): *)
@@ -171,6 +171,25 @@ withEvaluationNotebook[ nbo_NotebookObject, eval_ ] :=
 
 withEvaluationNotebook // endDefinition;
 
+(* ::**************************************************************************************************************:: *)
+(* ::Subsection::Closed:: *)
+(*withAppNameCaller*)
+withAppNameCaller // beginDefinition;
+withAppNameCaller // Attributes = { HoldRest };
+
+withAppNameCaller[ obj_, eval_ ] := Enclose[
+    Module[ { appName },
+        appName = CurrentChatSettings[ obj, "AppName" ];
+        If[ StringQ @ appName && appName =!= $defaultAppName,
+            setServiceCaller[ eval, appName ],
+            eval
+        ]
+    ],
+    throwInternalFailure
+];
+
+withAppNameCaller // endDefinition;
+
 (* ::**************************************************************************************************************:: *)
 (* ::Section::Closed:: *)
 (*Package Footer*)
diff --git a/Source/Chatbook/ChatTitle.wl b/Source/Chatbook/ChatTitle.wl
index 58d8c250..f7deb78c 100644
--- a/Source/Chatbook/ChatTitle.wl
+++ b/Source/Chatbook/ChatTitle.wl
@@ -95,7 +95,10 @@ generateChatTitleAsync[ messages: $$chatMessages, callback_, temperature: Automa
         $lastChatTitleContext = context;
 
         ConfirmMatch[
-            llmSynthesizeSubmit[ context, <| "Temperature" -> temperature |>, callback @* postProcessChatTitle ],
+            setServiceCaller[
+                llmSynthesizeSubmit[ context, <| "Temperature" -> temperature |>, callback @* postProcessChatTitle ],
+                "GenerateChatTitle"
+            ],
             _TaskObject,
             "Task"
         ]
diff --git a/Source/Chatbook/PromptGenerators/DefaultPromptGenerators.wl b/Source/Chatbook/PromptGenerators/DefaultPromptGenerators.wl
index c2bc597f..a43ca3a5 100644
--- a/Source/Chatbook/PromptGenerators/DefaultPromptGenerators.wl
+++ b/Source/Chatbook/PromptGenerators/DefaultPromptGenerators.wl
@@ -28,7 +28,10 @@ relatedDocumentationGenerator // beginDefinition;
 
 relatedDocumentationGenerator[ messages: $$chatMessages ] :=
     If[ TrueQ[ $InlineChat || $WorkspaceChat || $llmKit ],
-        LogChatTiming @ RelatedDocumentation[ messages, "Prompt", MaxItems -> 20, "FilterResults" -> True ],
+        setServiceCaller[
+            LogChatTiming @ RelatedDocumentation[ messages, "Prompt", MaxItems -> 20, "FilterResults" -> True ],
+            "RelatedDocumentation"
+        ],
         LogChatTiming @ RelatedDocumentation[ messages, "Prompt", MaxItems -> 5, "FilterResults" -> False ]
     ];
 
@@ -41,7 +44,10 @@ relatedWolframAlphaQueriesGenerator // beginDefinition;
 
 relatedWolframAlphaQueriesGenerator[ messages: $$chatMessages ] :=
     If[ TrueQ[ $InlineChat || $WorkspaceChat ],
-        LogChatTiming @ RelatedWolframAlphaQueries[ messages, "Prompt", MaxItems -> 20, "FilterResults" -> True ],
+        setServiceCaller[
+            LogChatTiming @ RelatedWolframAlphaQueries[ messages, "Prompt", MaxItems -> 20, "FilterResults" -> True ],
+            "RelatedWolframAlphaQueries"
+        ],
         LogChatTiming @ RelatedWolframAlphaQueries[ messages, "Prompt", MaxItems -> 5, "FilterResults" -> False ]
     ];