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# add_pronunciation

> Add a pronunciation rule to correct how the AI speaks a specific word or phrase.

[ref-agentbase]: /docs/server-sdks/reference/python/agents/agent-base

Add a pronunciation rule that tells the TTS engine how to speak a specific word or
phrase. Useful for brand names, acronyms, and technical terms that are commonly
mispronounced by text-to-speech engines.

## **Parameters**

**`replace`** `str` — required

The expression to match in the AI's output text.

---

**`with_text`** `str` — required

The phonetic spelling or alternative text the TTS engine should speak instead.

---

**`ignore_case`** `bool` — default: False

Whether to ignore case when matching the `replace` expression.

---

## **Returns**

[`AgentBase`][ref-agentbase] -- Returns self for method chaining.

## **Example**

```python {5-6}
from signalwire import AgentBase

agent = AgentBase(name="support", route="/support")
agent.set_prompt_text("You are a helpful assistant.")
agent.add_pronunciation("SQL", "sequel")
agent.add_pronunciation("SWAIG", "swig", ignore_case=True)
agent.serve()
```

> Add a pronunciation rule to correct how the AI speaks a specific word or phrase.