# ApplicationFieldCollection Object

> Contains all created or imported Microsoft Word fields represented through objects of the type ApplicationField.

- **Product:** DS Server
- **Section:** Reference
- **Kind:** Object
- **Introduced:** 28.0
- **Path:** DS Server > Reference > JavaScript API > ApplicationFieldCollection Object
- **592 words**
- **Web URL:** https://docs.textcontrol.com/ds-server/reference/javascript/applicationfieldcollection/
- **LLMs URL:** https://docs.textcontrol.com/ds-server/reference/javascript/applicationfieldcollection/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/ds-server/reference/javascript/applicationfieldcollection/llms-full.txt

---

### Description

Contains all created or imported Microsoft Word fields represented through objects of the type [ApplicationField](https://docs.textcontrol.com/ds-server/reference/javascript/applicationfield/llms-full.txt).

### Syntax

```javascript
ApplicationFieldCollection
```

### Examples

The following example demonstrates `ApplicationFieldCollection` in a practical document-editing workflow. It contains all created or imported Microsoft Word fields represented through objects of the type ApplicationField.

```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(field) {
            if (!field) {
                console.warn("No application field was returned.");
                return;
            }
            
            console.log("get item result:", field);
        },
        onTxError
    );
}, onTxError);
```

---

## In This Section

- [Javascript: ApplicationFieldCollection.add Method](https://docs.textcontrol.com/ds-server/reference/javascript/applicationfieldcollection/add-method/llms-full.txt): Inserts a new application field at the current input position.
- [Javascript: ApplicationFieldCollection.getItem Method](https://docs.textcontrol.com/ds-server/reference/javascript/applicationfieldcollection/getitem-method/llms-full.txt): Gets the field at the current input position or null, if there is no such field at the current input position.
- [Javascript: ApplicationFieldCollection.remove Method](https://docs.textcontrol.com/ds-server/reference/javascript/applicationfieldcollection/remove-method/llms-full.txt): Removes a field of the type ApplicationField from a TX Text Control document. The visible text is deleted depending on the keepText parameter.

---

## Nearby

- **Previous:** [Javascript: ApplicationField.setTypeName Method](https://docs.textcontrol.com/ds-server/reference/javascript/applicationfield/settypename-method/llms-full.txt)
- **Next:** [Javascript: ApplicationFieldCollection.add Method](https://docs.textcontrol.com/ds-server/reference/javascript/applicationfieldcollection/add-method/llms-full.txt)