# RequestEditableRegionsCallback Function

> Callback function for functions requesting editable regions.

- **Product:** TX Text Control .NET Server
- **Section:** Reference
- **Kind:** Function
- **Path:** TX Text Control .NET Server > Reference > JavaScript API > RequestEditableRegionsCallback Function
- **275 words**
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/requesteditableregionscallback/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/requesteditableregionscallback/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/requesteditableregionscallback/llms-full.txt

---

### Description

Callback function for functions requesting editable regions.

### Syntax

```javascript
function(<EditableRegion[]> result)
```

### Examples

The following example demonstrates `RequestEditableRegionsCallback` in a practical document-editing workflow. Callback function for functions requesting editable regions.

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

function requestEditableRegionsCallback(result) {
    console.log("result:", result);
}

TXTextControl.textParts.getMainText(function(mainText) {
    const editableRegions = mainText.editableRegions;
    editableRegions.getItems(requestEditableRegionsCallback, onTxError);
}, onTxError);
```

---

## Nearby

- **Previous:** [RequestDocumentTargetCallback Function](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/requestdocumenttargetcallback/llms-full.txt)
- **Next:** [RequestEditModeCallback Function](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/requesteditmodecallback/llms-full.txt)