# @ohos.app.ability.wantConstant (wantConstant) (System API)

The **wantConstant** module provides the actions, entities, and flags used in **Want** objects.

> **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.
>
> This topic describes only system APIs provided by the module. For details about its public APIs, see [@ohos.app.ability.wantConstant (wantConstant)](js-apis-app-ability-wantConstant.md).

## Modules to Import

```ts
import { wantConstant } from '@kit.AbilityKit';
```

## Params

Defines **Params** (specifying the action that can be performed) in the Want.

**System capability**: SystemCapability.Ability.AbilityBase

| Name                   | Value                                | Description                                                                          |
| ----------------------- | ---------------------------------- | ------------------------------------------------------------------------------ |
| DLP_PARAMS_SANDBOX      | ohos.dlp.params.sandbox            | Action of obtaining the sandbox flag.<br>**System API**: This is a system API and cannot be called by third-party applications.|
| DLP_PARAMS_BUNDLE_NAME  | ohos.dlp.params.bundleName         | Action of obtaining the DLP bundle name.<br>**System API**: This is a system API and cannot be called by third-party applications.|
| DLP_PARAMS_MODULE_NAME  | ohos.dlp.params.moduleName         | Action of obtaining the DLP module name.<br>**System API**: This is a system API and cannot be called by third-party applications.|
| DLP_PARAMS_ABILITY_NAME | ohos.dlp.params.abilityName        | Action of obtaining the DLP ability name.<br>**System API**: This is a system API and cannot be called by third-party applications.|
| DLP_PARAMS_INDEX        | ohos.dlp.params.index              | Action of obtaining the DLP index.<br>**System API**: This is a system API and cannot be called by third-party applications.|
| ASSERT_FAULT_SESSION_ID<sup>12+</sup>  | ohos.ability.params.asssertFaultSessionId      | Session ID of the AssertFault.<br>**System API**: This is a system API and cannot be called by third-party applications.|