---
title: RxDataAvailable
framework: serialdriverkit
role: symbol
role_heading: Instance Method
path: serialdriverkit/iouserserial/rxdataavailable
---

# RxDataAvailable

Notifies the system that data from the device is now available.

## Declaration

```occ
virtual void RxDataAvailable();
```

## Discussion

Discussion After receiving data from the device and placing it in your data buffer, call this method to let the system know that the data is available.

## See Also

### Transmitting and Receiving Data

- [RxFreeSpaceAvailable](serialdriverkit/iouserserial/rxfreespaceavailable.md)
- [TxDataAvailable](serialdriverkit/iouserserial/txdataavailable.md)
- [TxFreeSpaceAvailable](serialdriverkit/iouserserial/txfreespaceavailable.md)
- [RxError](serialdriverkit/iouserserial/rxerror.md)