1e41f4b71Sopenharmony_ci# Background Tasks Kit 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci- ArkTS APIs 4e41f4b71Sopenharmony_ci - [@ohos.reminderAgentManager (Reminder Agent Management)](js-apis-reminderAgentManager.md) 5e41f4b71Sopenharmony_ci - [@ohos.resourceschedule.backgroundTaskManager (Background Task Management)](js-apis-resourceschedule-backgroundTaskManager.md) 6e41f4b71Sopenharmony_ci - [@ohos.resourceschedule.workScheduler (Deferred Task Scheduling)](js-apis-resourceschedule-workScheduler.md) 7e41f4b71Sopenharmony_ci - [@ohos.WorkSchedulerExtensionAbility (Deferred Task Scheduling Callbacks)](js-apis-WorkSchedulerExtensionAbility.md) 8e41f4b71Sopenharmony_ci <!--Del--> 9e41f4b71Sopenharmony_ci - [@ohos.reminderAgentManager (Reminder Agent Management) (System API)](js-apis-reminderAgentManager-sys.md) 10e41f4b71Sopenharmony_ci - [@ohos.resourceschedule.backgroundTaskManager (Background Task Management) (System API)](js-apis-resourceschedule-backgroundTaskManager-sys.md) 11e41f4b71Sopenharmony_ci - [@ohos.resourceschedule.deviceStandby (Device Standby) (System API)](js-apis-resourceschedule-deviceStandby-sys.md) 12e41f4b71Sopenharmony_ci - [@ohos.resourceschedule.usageStatistics (Device Usage Statistics) (System API)](js-apis-resourceschedule-deviceUsageStatistics-sys.md) 13e41f4b71Sopenharmony_ci <!--DelEnd--> 14e41f4b71Sopenharmony_ci - application 15e41f4b71Sopenharmony_ci - [WorkSchedulerExtensionContext](js-apis-inner-application-WorkSchedulerExtensionContext.md) 16e41f4b71Sopenharmony_ci - [WorkSchedulerExtensionContext (System API)](js-apis-inner-application-WorkSchedulerExtensionContext-sys.md) 17e41f4b71Sopenharmony_ci - APIs No Longer Maintained 18e41f4b71Sopenharmony_ci - [@ohos.backgroundTaskManager (Background Task Management)](js-apis-backgroundTaskManager.md) 19e41f4b71Sopenharmony_ci - [@ohos.bundleState (Device Usage Statistics)](js-apis-deviceUsageStatistics.md) 20e41f4b71Sopenharmony_ci - [@ohos.reminderAgent (Reminder Agent)](js-apis-reminderAgent.md) 21e41f4b71Sopenharmony_ci <!--Del--> 22e41f4b71Sopenharmony_ci - [@ohos.backgroundTaskManager (Background Task Management) (System API)](js-apis-backgroundTaskManager-sys.md) 23e41f4b71Sopenharmony_ci - [@ohos.bundleState (Device Usage Statistics) (System API)](js-apis-deviceUsageStatistics-sys.md) 24e41f4b71Sopenharmony_ci <!--DelEnd--> 25e41f4b71Sopenharmony_ci- C APIs 26e41f4b71Sopenharmony_ci - Modules 27e41f4b71Sopenharmony_ci - [TransientTask](_transient_task.md) 28e41f4b71Sopenharmony_ci - Header Files 29e41f4b71Sopenharmony_ci - [transient_task_api.h](transient__task__api_8h.md) 30e41f4b71Sopenharmony_ci - [transient_task_type.h](transient__task__type_8h.md) 31e41f4b71Sopenharmony_ci - Structs 32e41f4b71Sopenharmony_ci - [TransientTask_DelaySuspendInfo](_transient_task___delay_suspend_info.md) 33e41f4b71Sopenharmony_ci- Error Codes 34e41f4b71Sopenharmony_ci - [backgroundTaskManager Error Codes](errorcode-backgroundTaskMgr.md) 35e41f4b71Sopenharmony_ci - [DeviceUsageStatistics Error Codes](errorcode-DeviceUsageStatistics.md) 36e41f4b71Sopenharmony_ci - [reminderAgentManager Error Codes](errorcode-reminderAgentManager.md) 37e41f4b71Sopenharmony_ci - [workScheduler Error Codes](errorcode-workScheduler.md) 38