# InputMethodExtensionAbility

The **InputMethodExtensionAbility** module provides the **InputMethodExtensionAbility** and **InputMethodExtensionContext** APIs that you can implement to develop input methods and manage their lifecycles.

> **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

```
import InputMethodExtensionAbility from '@ohos.inputmethodextensionability';
```

## Attributes

**System capability**: SystemCapability.MiscServices.InputMethodFramework

| Name| Type| Readable| Writable| Description|
| -------- | -------- | -------- | -------- | -------- |
| context | [InputMethodExtensionContext](js-apis-inputmethod-extension-context.md) | Yes| No| Context of the **InputMethodExtension**, which is inherited from **ExtensionContext**.|


## InputMethodExtensionAbility.onCreate()

onCreate(want: Want): void;

Called when the **InputMethodExtension** ability is started to implement initialization.

**System capability**: SystemCapability.MiscServices.InputMethodFramework

**Parameters**

| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| want |  [Want](js-apis-application-Want.md) | Yes| Information related to the **InputMethodExtension** ability, including the ability name and bundle name. |

**Example**

  ```js
  class InputMethodExt extends InputMethodExtensionAbility {
    onCreate(want) {
      console.log('onCreate, want:' + want.abilityName);
    }
  }
  ```


## InputMethodExtensionAbility.onDestroy()

onDestroy(): void;

Called when this **InputMethodExtension** ability is destroyed to clear resources.

**System capability**: SystemCapability.MiscServices.InputMethodFramework

**Example**

  ```js
  class InputMethodExt extends InputMethodExtensionAbility {
    onDestroy() {
      console.log('onDestroy');
    }
  }
  ```