1# UDMF 2 3## Overview 4 5The Unified Data Management Framework (UDMF) defines standards for data management across applications, devices, and platforms, and provides a unified OpenHarmony data language and standard data access channels. 6 7**Since**: 12 8 9## Files 10 11| Name | Description | 12| ------------------------------------------ | ------------------------------------------------------------ | 13| [udmf.h](capi-udmf-h.md) | Defines the APIs, data structs, and enums for accessing the UDMF. <br>File to include: <database/udmf/udmf.h>| 14| [udmf_err_code.h](capi-udmf-err-code-h.md) | Declares the error codes used in the UDMF. <br>File to include: <database/udmf/udmf_err_code.h>| 15| [udmf_meta.h](capi-udmf-meta-h.md) | Declares the unified data types. <br>File to include: <database/udmf/udmf_meta.h> | 16| [uds.h](capi-uds-h.md) | Defines the APIs and structs related to the uniform data structs. <br>File to include: <database/udmf/uds.h>| 17| [utd.h](capi-utd-h.md) | Defines APIs and structs related to the Uniform Type Descriptors (UTDs). <br>File to include: <database/udmf/utd.h>| 18