1# DeviceManager 2 3## Overview 4 5Distributed device management module, which provides APIs to obtain information about trusted devices and local devices. 6 7**Since**: 20 8## File Summary 9 10| Name| Description| 11| -- | -- | 12| [oh_device_manager.h](capi-oh-device-manager-h.md) | Provides APIs to obtain information about trusted devices and local devices. File to include: <distributedhardware/device_manager/oh_device_manager.h>| 13| [oh_device_manager_err_code.h](capi-oh-device-manager-err-code-h.md) | Declares the error codes of the distributed device management module. File to include: <distributedhardware/device_manager/oh_device_manager_err_code.h> | 14