# SubTextPartCallbackData Object

> The type of the response parameter of the AddSubTextPartCallback callback function.

- **Product:** DS Server
- **Section:** Reference
- **Kind:** Object
- **Path:** DS Server > Reference > JavaScript API > SubTextPartCallbackData Object
- **262 words**
- **Web URL:** https://docs.textcontrol.com/ds-server/reference/javascript/subtextpartcallbackdata/
- **LLMs URL:** https://docs.textcontrol.com/ds-server/reference/javascript/subtextpartcallbackdata/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/ds-server/reference/javascript/subtextpartcallbackdata/llms-full.txt

---

### Description

The type of the response parameter of the [AddSubTextPartCallback](https://docs.textcontrol.com/ds-server/reference/javascript/addsubtextpartcallback/llms-full.txt) callback function.

### Syntax

```javascript
{
   subTextPart: <SubTextPart>
}
```

### Examples

The following example demonstrates `SubTextPartCallbackData` in a practical document-editing workflow. The type of the response parameter of the AddSubTextPartCallback callback function.

```javascript
function inspectSubTextPartCallbackData(subTextPartCallbackData) {
    console.log("sub text part:", subTextPartCallbackData.subTextPart);
}
```

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## In This Section

- [Javascript: SubTextPartCallbackData.subTextPart Property](https://docs.textcontrol.com/ds-server/reference/javascript/subtextpartcallbackdata/subtextpart-property/llms-full.txt): The added subtextpart.

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## Nearby

- **Previous:** [SubTextPartCallback Function](https://docs.textcontrol.com/ds-server/reference/javascript/subtextpartcallback/llms-full.txt)
- **Next:** [Javascript: SubTextPartCallbackData.subTextPart Property](https://docs.textcontrol.com/ds-server/reference/javascript/subtextpartcallbackdata/subtextpart-property/llms-full.txt)