# @ohos.enterprise.EnterpriseAdminExtensionAbility (EnterpriseAdminExtensionAbility)

The **EnterpriseAdminExtensionAbility** module provides extended enterprise device management capabilities.

To have the capabilities provided by this module, for example, to receive a notification when a device administrator application is enabled or disabled, you need to create an **EnterpriseAdminExtensionAbility** instance for the enterprise administrator application and overload related APIs.

> **NOTE**
> 
> The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.
> 
> The APIs of this module can be used only in the stage model.

## Modules to Import

```ts
import EnterpriseAdminExtensionAbility from '@ohos.enterprise.EnterpriseAdminExtensionAbility'
```

## EnterpriseAdminExtensionAbility.onAdminEnabled

onAdminEnabled(): void

Called when a device administrator application is enabled.

**System capability**: SystemCapability.Customization.EnterpriseDeviceManager

**System API**: This is a system API.

**Example**

```ts
export default class EnterpriseAdminAbility extends EnterpriseAdminExtensionAbility {
  onAdminEnabled() {
  }
};
```

## EnterpriseAdminExtensionAbility.onAdminDisabled

onAdminDisabled(): void

Called when a device administrator application is disabled.

**System capability**: SystemCapability.Customization.EnterpriseDeviceManager

**System API**: This is a system API.

**Example**

```ts
export default class EnterpriseAdminAbility extends EnterpriseAdminExtensionAbility {
  onAdminDisabled() {
  }
};
```

## EnterpriseAdminExtensionAbility.onBundleAdded

onBundleAdded(bundleName: string): void

Called when a bundle is added.

**System capability**: SystemCapability.Customization.EnterpriseDeviceManager

**System API**: This is a system API.

**Parameters**

| Name  | Type                                 | Mandatory  | Description     |
| ----- | ----------------------------------- | ---- | ------- |
| bundleName | string | Yes   | Name of the bundle added.|

**Example**

```ts
export default class EnterpriseAdminAbility extends EnterpriseAdminExtensionAbility {
  onBundleAdded(bundleName: string) {
    console.info(`Succeeded in calling onBundleAdded callback, added bundle name : ${bundleName}`);
  }
};
```

## EnterpriseAdminExtensionAbility.onBundleRemoved

onBundleRemoved(bundleName: string): void

Called when a bundle is removed.

**System capability**: SystemCapability.Customization.EnterpriseDeviceManager

**System API**: This is a system API.

**Parameters**

| Name  | Type                                 | Mandatory  | Description     |
| ----- | ----------------------------------- | ---- | ------- |
| bundleName | string | Yes   | Name of the bundle removed.|

**Example**

```ts
export default class EnterpriseAdminAbility extends EnterpriseAdminExtensionAbility {
  onBundleRemoved(bundleName: string) {
    console.info(`Succeeded in calling onBundleRemoved callback, removed bundle name : ${bundleName}`);
  }
};
```

## EnterpriseAdminExtensionAbility.onAppStart<sup>10+</sup>

onAppStart(bundleName: string): void

Called when an application is started.

**System capability**: SystemCapability.Customization.EnterpriseDeviceManager

**System API**: This is a system API.

**Parameters**

| Name  | Type                                 | Mandatory  | Description     |
| ----- | ----------------------------------- | ---- | ------- |
| bundleName | string | Yes   | Bundle name of the application started.|

**Example**

```ts
export default class EnterpriseAdminAbility extends EnterpriseAdminExtensionAbility {
  onAppStart(bundleName: string) {
    console.info(`Succeeded in calling onAppStart callback, started bundle name : ${bundleName}`);
  }
};
```

## EnterpriseAdminExtensionAbility.onAppStop<sup>10+</sup>

onAppStop(bundleName: string): void

Called when an application is stopped.

**System capability**: SystemCapability.Customization.EnterpriseDeviceManager

**System API**: This is a system API.

**Parameters**

| Name  | Type                                 | Mandatory  | Description     |
| ----- | ----------------------------------- | ---- | ------- |
| bundleName | string | Yes   | Bundle name of the application stopped.|

**Example**

```ts
export default class EnterpriseAdminAbility extends EnterpriseAdminExtensionAbility {
  onAppStop(bundleName: string) {
    console.info(`Succeeded in calling onAppStop callback, stopped bundle name : ${bundleName}`);
  }
};
```