# RequestFormulaReferenceStyleCallback Function

> Callback function for requests expecting a formula reference style value.

- **Product:** DS Server
- **Section:** Reference
- **Kind:** Function
- **Introduced:** 28.0
- **Path:** DS Server > Reference > JavaScript API > RequestFormulaReferenceStyleCallback Function
- **243 words**
- **Web URL:** https://docs.textcontrol.com/ds-server/reference/javascript/requestformulareferencestylecallback/
- **LLMs URL:** https://docs.textcontrol.com/ds-server/reference/javascript/requestformulareferencestylecallback/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/ds-server/reference/javascript/requestformulareferencestylecallback/llms-full.txt

---

### Description

Callback function for requests expecting a formula reference style value.

### Syntax

```javascript
function(<FormulaReferenceStyle> style)
```

### Examples

The following example demonstrates `RequestFormulaReferenceStyleCallback` in a practical document-editing workflow. Callback function for requests expecting a formula reference style value.

```javascript
function onTxError(error) {
    console.error("TX Text Control error:", error.msg);
    error.handled = true;
}

function requestFormulaReferenceStyleCallback(style) {
    console.log("style:", style);
}

TXTextControl.getFormulaReferenceStyle(requestFormulaReferenceStyleCallback, onTxError);
```

---

## Nearby

- **Previous:** [RequestFormFieldCallback Function](https://docs.textcontrol.com/ds-server/reference/javascript/requestformfieldcallback/llms-full.txt)
- **Next:** [RequestFrameBaseCallback Function](https://docs.textcontrol.com/ds-server/reference/javascript/requestframebasecallback/llms-full.txt)