1# Rdb_ProgressObserver 2 3## Overview 4 5Defines a struct for the observer for the device-cloud sync progress. 6 7**Since**: 11 8 9**Related module**: [RDB](capi-rdb.md) 10 11**Header file**: [relational_store.h](capi-relational-store-h.md) 12 13## Summary 14 15### Member Variables 16 17| Name | Description | 18| ------------------------------------------------------------ | ------------------------------ | 19| void* context | Context of the device-cloud sync progress observer. | 20| [Rdb_ProgressCallback](capi-relational-store-h.md#rdb_progresscallback) callback | Callback used to return the device-cloud sync progress.| 21