# RequestTextPartCallback Function

> Callback function for requests expecting a FormattedText object.

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

---

### Description

Callback function for requests expecting a [FormattedText](https://docs.textcontrol.com/ds-server/reference/javascript/formattedtext/llms-full.txt) object.

### Syntax

```javascript
function(<FormattedText> textPart)
```

### Examples

The following example demonstrates `RequestTextPartCallback` in a practical document-editing workflow. Callback function for requests expecting a FormattedText object.

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

function requestTextPartCallback(textPart) {
    console.log("text part:", textPart);
}

TXTextControl.textParts.getItem(requestTextPartCallback, onTxError);
```

---

## Nearby

- **Previous:** [RequestTextFrameCallback Function](https://docs.textcontrol.com/ds-server/reference/javascript/requesttextframecallback/llms-full.txt)
- **Next:** [RequestTextPartsCallback Function](https://docs.textcontrol.com/ds-server/reference/javascript/requesttextpartscallback/llms-full.txt)