examples: update with single FunctionCallParams parameter

examples/foundational/19-openai-realtime-beta.py

@@ -19,6 +19,7 @@ from pipecat.pipeline.pipeline import Pipeline
 from pipecat.pipeline.runner import PipelineRunner
 from pipecat.pipeline.task import PipelineParams, PipelineTask
 from pipecat.processors.aggregators.openai_llm_context import OpenAILLMContext
+from pipecat.services.llm_service import FunctionCallParams
 from pipecat.services.openai_realtime_beta import (
     InputAudioNoiseReduction,
     InputAudioTranscription,
@@ -33,13 +34,13 @@ from pipecat.transports.network.webrtc_connection import SmallWebRTCConnection
 load_dotenv(override=True)
 
 
-async def fetch_weather_from_api(function_name, tool_call_id, args, llm, context, result_callback):
-    temperature = 75 if args["format"] == "fahrenheit" else 24
-    await result_callback(
+async def fetch_weather_from_api(params: FunctionCallParams):
+    temperature = 75 if params.arguments["format"] == "fahrenheit" else 24
+    await params.result_callback(
         {
             "conditions": "nice",
             "temperature": temperature,
-            "format": args["format"],
+            "format": params.arguments["format"],
             "timestamp": datetime.now().strftime("%Y%m%d_%H%M%S"),
         }
     )