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# setUserPrompt

> Inject a user message when entering this context.

[ref-context]: /docs/server-sdks/reference/typescript/agents/context-builder/context

Inject a user message when entering this context. Useful for triggering the AI to
speak first after a context switch.

## **Parameters**

**`userPrompt`** `string` — required

User message to inject.

---

## **Returns**

[`Context`][ref-context] -- Self for method chaining.

## **Example**

```typescript {5}
import { ContextBuilder } from '@signalwire/sdk';

const builder = new ContextBuilder();
const sales = builder.addContext('default');
sales.setUserPrompt('I\'d like to learn about your products.');
sales.addStep('pitch').setText('Present our product lineup to the caller.');
```