# Generate the response
response = co.chat(
    model="command-a-03-2025",
    messages=[{"role": "user", "content": message}],
)

print(response.message.content[0].text)
```

```
Ticket title: "Server Access Permissions Issue"
```

Further reading:

* [Documentation on prompt engineering](https://docs.cohere.com/docs/crafting-effective-prompts)
* [LLM University module on prompt engineering](https://cohere.com/llmu#prompt-engineering)

## Parameters for controlling output

The Chat endpoint provides developers with an array of options and parameters.

For example, you can choose from several variations of the Command model. Different models produce different output profiles, such as quality and latency.

```python PYTHON