# Core Daemons APIs

The Core Daemon Services provide full-featured interface access to configure and control services and apps.

| Service | API guide | API reference | File name | Description |
| --- | --- | --- | --- | --- |
| configTree | [Config Tree API](https://docs.qualcomm.com/doc/80-41102-2/topic/page_c_config.html) | [le\_cfg\_interface.h](https://docs.qualcomm.com/doc/80-41102-2/topic/_doxygen_rst_file__doxygen_sources_le_cfg_interface_h.html#file-le-cfg-interface-h) | le\_cfg.api | Functions to read and write data into the app’s tree |
| configTree | [Config Tree Admin API](https://docs.qualcomm.com/doc/80-41102-2/topic/page_c_configAdmin.html) | [le\_cfg\_interface.h](https://docs.qualcomm.com/doc/80-41102-2/topic/_doxygen_rst_file__doxygen_sources_le_cfgAdmin_interface_h.html#file-le-cfgadmin-interface-h) | le\_cfgAdmin.api | Tools to facilitate the administration of App’s Trees |
| supervisor | [App Control API](https://docs.qualcomm.com/doc/80-41102-2/topic/page_c_appCtrl.html) | [le\_cfg\_interface.h](https://docs.qualcomm.com/doc/80-41102-2/topic/_doxygen_rst_file__doxygen_sources_le_appCtrl_interface_h.html#file-le-appctrl-interface-h) | le\_appCtrl.api | Control TelAF apps |
| supervisor | [Application Information API](https://docs.qualcomm.com/doc/80-41102-2/topic/page_c_appInfo.html) | [le\_cfg\_interface.h](https://docs.qualcomm.com/doc/80-41102-2/topic/_doxygen_rst_file__doxygen_sources_le_appInfo_interface_h.html#file-le-appinfo-interface-h) | le\_appInfo.api | TelAF app info retrieval |
| supervisor | [Framework Control API](https://docs.qualcomm.com/doc/80-41102-2/topic/page_c_framework.html) | [le\_cfg\_interface.h](https://docs.qualcomm.com/doc/80-41102-2/topic/_doxygen_rst_file__doxygen_sources_le_framework_interface_h.html#file-le-framework-interface-h) | le\_framework.api | Control the TelAF framework |
| supervisor | [Linux Kernel Module API](https://docs.qualcomm.com/doc/80-41102-2/topic/page_c_kernelModule.html) | [le\_cfg\_interface.h](https://docs.qualcomm.com/doc/80-41102-2/topic/_doxygen_rst_file__doxygen_sources_le_kernelModule_interface_h.html#file-le-kernelmodule-interface-h) | le\_kernelModule.api | Module load and unload |
| update | [Update API](https://docs.qualcomm.com/doc/80-41102-2/topic/page_c_update.html) | [le\_cfg\_interface.h](https://docs.qualcomm.com/doc/80-41102-2/topic/_doxygen_rst_file__doxygen_sources_le_update_interface_h.html#file-le-update-interface-h) | le\_update.api | Control the update daemon on the target |
| update | [Update Control API](https://docs.qualcomm.com/doc/80-41102-2/topic/page_c_updateCtrl.html) | [le\_cfg\_interface.h](https://docs.qualcomm.com/doc/80-41102-2/topic/_doxygen_rst_file__doxygen_sources_le_updateCtrl_interface_h.html#file-le-updatectrl-interface-h) | le\_updateCtrl.api | Tools to facilitate the administration of the update daemon |
| update | [Install Status API](https://docs.qualcomm.com/doc/80-41102-2/topic/page_c_le_instStat.html) | [le\_cfg\_interface.h](https://docs.qualcomm.com/doc/80-41102-2/topic/_doxygen_rst_file__doxygen_sources_le_instStat_interface_h.html#file-le-inststat-interface-h) | le\_instStat.api | Notifications when apps are installed and uninstalled |
| watchdog | [Watchdog Service](https://docs.qualcomm.com/doc/80-41102-2/topic/page_c_wdog.html) | [le\_cfg\_interface.h](https://docs.qualcomm.com/doc/80-41102-2/topic/_doxygen_rst_file__doxygen_sources_le_wdog_interface_h.html#file-le-wdog-interface-h) | le\_wdog.api | Monitor critical applications and services for deadlocks and<br>other similar faults |

Last Published: Jul 29, 2026

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