# Javascript: ApplicationField.setFormat Method

> Sets the field's format.

- **Product:** DS Server
- **Section:** Reference
- **Kind:** Method
- **Introduced:** 28.0
- **Path:** DS Server > Reference > JavaScript API > Javascript: ApplicationField.setFormat Method
- **421 words**
- **Web URL:** https://docs.textcontrol.com/ds-server/reference/javascript/applicationfield/setformat-method/
- **LLMs URL:** https://docs.textcontrol.com/ds-server/reference/javascript/applicationfield/setformat-method/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/ds-server/reference/javascript/applicationfield/setformat-method/llms-full.txt

---

### Description

Sets the field's format.

### Syntax

```javascript
<void> ApplicationField.setFormat(<ApplicationFieldFormat> format, [<EmptyRequestCallback> callback])
```

### Parameters

| Parameter | Description |
|---|---|
| format | The field's format. |
| callback | Optional. Is called when the operation completed. |

### Examples

The following example demonstrates `ApplicationField.setFormat` in a practical document-editing workflow. It sets the field's format.

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

TXTextControl.textParts.getMainText(function(mainText) {
    const applicationFields = mainText.applicationFields;
    applicationFields.getItem(function(applicationField) {
        if (!applicationField) {
            console.warn("No application field is available at the current input position.");
            return;
        }
    
        applicationField.setFormat(
            TXTextControl.ApplicationFieldFormat.MSWord,
            function() {
                console.log("set format completed.");
            }
        );
    }, onTxError);
}, onTxError);
```

---

## Nearby

- **Previous:** [Javascript: ApplicationField.getTypeName Method](https://docs.textcontrol.com/ds-server/reference/javascript/applicationfield/gettypename-method/llms-full.txt)
- **Next:** [Javascript: ApplicationField.setParameters Method](https://docs.textcontrol.com/ds-server/reference/javascript/applicationfield/setparameters-method/llms-full.txt)