# Rdb_DataObserver


## Overview

Defines the data observer.

**Since**: 11

**Related module**: [RDB](_r_d_b.md)


## Summary


### Member Variables

| Name| Description| 
| -------- | -------- |
| [context](_r_d_b.md#context-12) | Context of the data observer.| 
| [callback](_r_d_b.md#callback-12) | Callback used to return the data observed.|