> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cartesia.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# SSE with Match Statement

> SSE streaming using match statement.

```python theme={null}
def tts_sse_with_match(client: Cartesia) -> None:
    """SSE streaming using match statement."""
    stream = client.tts.generate_sse(
        model_id="sonic-3.5",
        transcript="Hello, world!",
        voice={"mode": "id", "id": "6ccbfb76-1fc6-48f7-b71d-91ac6298247b"},
        output_format={"container": "raw", "encoding": "pcm_f32le", "sample_rate": 44100},
    )

    import datetime
    filename = f"tts_sse_with_match_{datetime.datetime.now().strftime('%Y%m%d_%H%M%S')}.pcm"

    with open(filename, "wb") as f:
        for event in stream:
            if event.type == "chunk":
                # Audio chunk - event.audio contains bytes
                if event.audio:
                    f.write(event.audio)
                    process_audio(event.audio)
            elif event.type == "timestamps":
                # Word timestamps - event.word_timestamps
                process_timestamps(event.word_timestamps)
            elif event.type == "done":
                # Stream complete
                break
            elif event.type == "error":
                # Error occurred
                raise Exception(event.error)

    print(f"Saved audio to {filename}")
    print(f"Play with: ffplay -f f32le -ar 44100 {filename}")
```

From [cartesia-python/examples/examples.py:151](https://github.com/cartesia-ai/cartesia-python/blob/main/examples/examples.py#L151)

## Run this example

```sh theme={null}
cd cartesia-python
CARTESIA_API_KEY=YOUR_KEY python3 examples/examples.py tts_sse_with_match
```