1# WorkSchedulerExtensionContext
2
3The **WorkSchedulerExtensionContext** module, inherited from [ExtensionContext](../apis-ability-kit/js-apis-inner-application-extensionContext.md), provides a context environment for the WorkSchedulerExtensionAbility.
4
5This module provides APIs for accessing the resources of a WorkSchedulerExtensionAbility.
6
7> **NOTE**
8>
9> The initial APIs of this module are supported since API version 10. Newly added APIs will be marked with a superscript to indicate their earliest API version.
10> The APIs of this module can be used only in the stage model.
11
12## Usage
13
14The context is obtained through a WorkSchedulerExtensionAbility child class instance.
15
16```ts
17import WorkSchedulerExtensionAbility from '@ohos.WorkSchedulerExtensionAbility';
18import workScheduler from '@ohos.resourceschedule.workScheduler';
19
20class MyWorkSchedulerExtensionAbility extends WorkSchedulerExtensionAbility {
21    onWorkStart(workInfo: workScheduler.WorkInfo) {
22        let WorkSchedulerExtensionContext = this.context; // Obtain the WorkSchedulerExtensionContext.
23    }
24}
25```
26