diff --git a/examples/function-calling/function-calling-anthropic-async-stream.py b/examples/function-calling/function-calling-anthropic-async-stream.py
index e96a56442..8dc62481a 100644
--- a/examples/function-calling/function-calling-anthropic-async-stream.py
+++ b/examples/function-calling/function-calling-anthropic-async-stream.py
@@ -140,6 +140,11 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
         timeout_secs=30,
     )
 
+    @llm.event_handler("on_function_calls_cancelled")
+    async def on_function_calls_cancelled(service, cancelled):
+        for item in cancelled:
+            logger.info(f"Function call cancelled: {item.function_name} [{item.tool_call_id}]")
+
     location_function = FunctionSchema(
         name="track_current_location",
         description="Start tracking the user's current GPS location, reporting position updates until the user reaches their destination.",
diff --git a/examples/function-calling/function-calling-anthropic-async.py b/examples/function-calling/function-calling-anthropic-async.py
index b727cbd13..62baaaa1b 100644
--- a/examples/function-calling/function-calling-anthropic-async.py
+++ b/examples/function-calling/function-calling-anthropic-async.py
@@ -93,6 +93,11 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     )
     llm.register_function("get_restaurant_recommendation", fetch_restaurant_recommendation)
 
+    @llm.event_handler("on_function_calls_cancelled")
+    async def on_function_calls_cancelled(service, cancelled):
+        for item in cancelled:
+            logger.info(f"Function call cancelled: {item.function_name} [{item.tool_call_id}]")
+
     weather_function = FunctionSchema(
         name="get_current_weather",
         description="Get the current weather",
diff --git a/examples/function-calling/function-calling-google-async-stream.py b/examples/function-calling/function-calling-google-async-stream.py
index c8d0f87db..63c83318e 100644
--- a/examples/function-calling/function-calling-google-async-stream.py
+++ b/examples/function-calling/function-calling-google-async-stream.py
@@ -144,6 +144,11 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     async def on_function_calls_started(service, function_calls):
         await tts.queue_frame(TTSSpeakFrame("Sure, tracking your location now."))
 
+    @llm.event_handler("on_function_calls_cancelled")
+    async def on_function_calls_cancelled(service, cancelled):
+        for item in cancelled:
+            logger.info(f"Function call cancelled: {item.function_name} [{item.tool_call_id}]")
+
     location_function = FunctionSchema(
         name="track_current_location",
         description="Start tracking the user's current GPS location, reporting position updates until the user reaches their destination.",
diff --git a/examples/function-calling/function-calling-google-async.py b/examples/function-calling/function-calling-google-async.py
index 6892d4abd..89bae24d4 100644
--- a/examples/function-calling/function-calling-google-async.py
+++ b/examples/function-calling/function-calling-google-async.py
@@ -141,6 +141,11 @@ indicate you should use the get_image tool are:
     async def on_function_calls_started(service, function_calls):
         await tts.queue_frame(TTSSpeakFrame("Let me check on that."))
 
+    @llm.event_handler("on_function_calls_cancelled")
+    async def on_function_calls_cancelled(service, cancelled):
+        for item in cancelled:
+            logger.info(f"Function call cancelled: {item.function_name} [{item.tool_call_id}]")
+
     weather_function = FunctionSchema(
         name="get_weather",
         description="Get the current weather",
diff --git a/examples/function-calling/function-calling-openai-async-stream.py b/examples/function-calling/function-calling-openai-async-stream.py
index 1a3a6317b..fd2caaddf 100644
--- a/examples/function-calling/function-calling-openai-async-stream.py
+++ b/examples/function-calling/function-calling-openai-async-stream.py
@@ -144,6 +144,11 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     async def on_function_calls_started(service, function_calls):
         await tts.queue_frame(TTSSpeakFrame("Sure, tracking your location now."))
 
+    @llm.event_handler("on_function_calls_cancelled")
+    async def on_function_calls_cancelled(service, cancelled):
+        for item in cancelled:
+            logger.info(f"Function call cancelled: {item.function_name} [{item.tool_call_id}]")
+
     location_function = FunctionSchema(
         name="track_current_location",
         description="Start tracking the user's current GPS location, reporting position updates until the user reaches their destination.",
diff --git a/examples/function-calling/function-calling-openai-async.py b/examples/function-calling/function-calling-openai-async.py
index 7a7bd5ddd..50efa25e9 100644
--- a/examples/function-calling/function-calling-openai-async.py
+++ b/examples/function-calling/function-calling-openai-async.py
@@ -107,6 +107,11 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     async def on_function_calls_started(service, function_calls):
         await tts.queue_frame(TTSSpeakFrame("Let me check on that."))
 
+    @llm.event_handler("on_function_calls_cancelled")
+    async def on_function_calls_cancelled(service, cancelled):
+        for item in cancelled:
+            logger.info(f"Function call cancelled: {item.function_name} [{item.tool_call_id}]")
+
     weather_function = FunctionSchema(
         name="get_current_weather",
         description="Get the current weather",
diff --git a/examples/function-calling/function-calling-openai-responses-async-stream.py b/examples/function-calling/function-calling-openai-responses-async-stream.py
index 5bdde5cb3..093e0d47b 100644
--- a/examples/function-calling/function-calling-openai-responses-async-stream.py
+++ b/examples/function-calling/function-calling-openai-responses-async-stream.py
@@ -144,6 +144,11 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     async def on_function_calls_started(service, function_calls):
         await tts.queue_frame(TTSSpeakFrame("Sure, tracking your location now."))
 
+    @llm.event_handler("on_function_calls_cancelled")
+    async def on_function_calls_cancelled(service, cancelled):
+        for item in cancelled:
+            logger.info(f"Function call cancelled: {item.function_name} [{item.tool_call_id}]")
+
     location_function = FunctionSchema(
         name="track_current_location",
         description="Track the device's current GPS location during a road trip, reporting position updates as the vehicle moves through cities until it reaches the final destination.",
diff --git a/examples/function-calling/function-calling-openai-responses-async.py b/examples/function-calling/function-calling-openai-responses-async.py
index 16b21f212..8e6fb3fa9 100644
--- a/examples/function-calling/function-calling-openai-responses-async.py
+++ b/examples/function-calling/function-calling-openai-responses-async.py
@@ -105,6 +105,11 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
         # matching, forcing a full context resend.
         await tts.queue_frame(TTSSpeakFrame("Let me check on that.", append_to_context=False))
 
+    @llm.event_handler("on_function_calls_cancelled")
+    async def on_function_calls_cancelled(service, cancelled):
+        for item in cancelled:
+            logger.info(f"Function call cancelled: {item.function_name} [{item.tool_call_id}]")
+
     weather_function = FunctionSchema(
         name="get_current_weather",
         description="Get the current weather",