# RequestTextTypeCallback Function

> Callback function for requests expecting a text type.

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

---

### Description

Callback function for requests expecting a text type.

### Syntax

```javascript
function(<TextType> textType)
```

### Examples

The following example demonstrates `RequestTextTypeCallback` in a practical document-editing workflow. Callback function for requests expecting a text type.

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

function requestTextTypeCallback(textType) {
    console.log("text type:", textType);
}

TXTextControl.listFormat.getType(requestTextTypeCallback, onTxError);
```

---

## Nearby

- **Previous:** [RequestTextPartsCallback Function](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/requesttextpartscallback/llms-full.txt)
- **Next:** [RequestTrackedChangeCallback Function](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/requesttrackedchangecallback/llms-full.txt)