# RequestFrameBaseCallback Function

> Callback function for requests retrieving a FrameBase object from a frame collection.

- **Product:** DS Server
- **Section:** Reference
- **Kind:** Function
- **Path:** DS Server > Reference > JavaScript API > RequestFrameBaseCallback Function
- **281 words**
- **Web URL:** https://docs.textcontrol.com/ds-server/reference/javascript/requestframebasecallback/
- **LLMs URL:** https://docs.textcontrol.com/ds-server/reference/javascript/requestframebasecallback/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/ds-server/reference/javascript/requestframebasecallback/llms-full.txt

---

### Description

Callback function for requests retrieving a [FrameBase](https://docs.textcontrol.com/ds-server/reference/javascript/framebase/llms-full.txt) object from a frame collection.

### Syntax

```javascript
function(<FrameBase> frame)
```

### Examples

The following example demonstrates `RequestFrameBaseCallback` in a practical document-editing workflow. Callback function for requests retrieving a FrameBase object from a frame collection.

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

function requestFrameBaseCallback(frame) {
    console.log("frame:", frame);
}

function useRequestFrameBaseCallback(frames) {
    frames.getItem(requestFrameBaseCallback, onTxError, 25);
}
```

---

## Nearby

- **Previous:** [RequestFormulaReferenceStyleCallback Function](https://docs.textcontrol.com/ds-server/reference/javascript/requestformulareferencestylecallback/llms-full.txt)
- **Next:** [RequestFrameCallback Function](https://docs.textcontrol.com/ds-server/reference/javascript/requestframecallback/llms-full.txt)