# Javascript: TextFieldCollection.add Method

> Adds a new TextField to the collection.

- **Product:** TX Text Control .NET Server
- **Section:** Reference
- **Kind:** Method
- **Introduced:** 28.0
- **Path:** TX Text Control .NET Server > Reference > JavaScript API > Javascript: TextFieldCollection.add Method
- **389 words**
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/textfieldcollection/add-method/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/textfieldcollection/add-method/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/textfieldcollection/add-method/llms-full.txt

---

### Description

Adds a new TextField to the collection.

### Syntax

```javascript
<void> TextFieldCollection.add([<RequestTextFieldCallback> callback], [<ErrorCallback> errorCallback])
```

### Parameters

| Parameter | Description |
|---|---|
| callback | Optional. The callback function that receives the requested value. |
| errorCallback | Optional. Is called when the operation failed with an error. |

### Examples

The following example demonstrates `TextFieldCollection.add` in a practical document-editing workflow. It adds a new TextField to the collection.

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

TXTextControl.textParts.getMainText(function(mainText) {
    const textFields = mainText.textFields;
    textFields.add(
        function(field) {
            if (!field) {
                console.warn("No text field was returned.");
                return;
            }
            
            console.log("add result:", field);
        },
        onTxError
    );
}, onTxError);
```

---

## Nearby

- **Previous:** [TextFieldCollection Object](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/textfieldcollection/llms-full.txt)
- **Next:** [Javascript: TextFieldCollection.addWithText Method](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript/textfieldcollection/addwithtext-method/llms-full.txt)