# Javascript: TXTextControl.addMergeField Method

> Inserts a merge field at the current input position.

- **Product:** TX Text Control .NET Server
- **Section:** Reference
- **Kind:** Method
- **Introduced:** 25.0
- **Path:** TX Text Control .NET Server > Reference > JavaScript API > Javascript: TXTextControl.addMergeField Method
- **317 words**
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/txtextcontrol/addmergefield-method/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/txtextcontrol/addmergefield-method/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/txtextcontrol/addmergefield-method/llms-full.txt

---

### Description

Inserts a merge field at the current input position.

### Syntax

```javascript
<void> TXTextControl.addMergeField(<MergeField> mergeField)
```

### Parameters

| Parameter | Description |
|---|---|
| mergeField | The merge field. Allowed types are [MergeField](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/txtextcontrol-mergefield/llms-full.txt), [IfField](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/txtextcontrol-iffield/llms-full.txt), [IncludeTextField](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/txtextcontrol-includetextfield/llms-full.txt), [DateField](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/txtextcontrol-datefield/llms-full.txt), [NextField](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/txtextcontrol-nextfield/llms-full.txt) and [NextIfField](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/txtextcontrol-nextiffield/llms-full.txt). |

### Examples

The following example demonstrates `TXTextControl.addMergeField` in a practical document-editing workflow. It inserts a merge field at the current input position.

```javascript
function addMergeField(mergeField) {
    TXTextControl.addMergeField(mergeField);
}
```

---

## Nearby

- **Previous:** [Javascript: TXTextControl.addEventListener Method](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/txtextcontrol/addeventlistener-method/llms-full.txt)
- **Next:** [Javascript: TXTextControl.AddResult Enumeration](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/txtextcontrol/addresult-enumeration/llms-full.txt)