1e41f4b71Sopenharmony_ci# @ohos.ability.wantConstant (wantConstant) (System API)
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3e41f4b71Sopenharmony_ciThe **wantConstant** module provides the actions, entities, and flags used in **Want** objects.
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5e41f4b71Sopenharmony_ci> **NOTE**
6e41f4b71Sopenharmony_ci> 
7e41f4b71Sopenharmony_ci> The APIs of this module are supported since API version 6 and deprecated since API version 9. You are advised to use [@ohos.app.ability.wantConstant](js-apis-app-ability-wantConstant.md) instead. Newly added APIs will be marked with a superscript to indicate their earliest API version.
8e41f4b71Sopenharmony_ci>
9e41f4b71Sopenharmony_ci> This topic describes only system APIs provided by the module. For details about its public APIs, see [@ohos.ability.wantConstant (wantConstant)](js-apis-ability-wantConstant.md).
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11e41f4b71Sopenharmony_ci## Modules to Import
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13e41f4b71Sopenharmony_ci```ts
14e41f4b71Sopenharmony_ciimport wantConstant from '@ohos.ability.wantConstant';
15e41f4b71Sopenharmony_ci```
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17e41f4b71Sopenharmony_ci## Flags
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19e41f4b71Sopenharmony_ci Enumerates the flags that specify how the Want will be handled.
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21e41f4b71Sopenharmony_ci**System capability**: SystemCapability.Ability.AbilityBase
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23e41f4b71Sopenharmony_ci| Name                                | Value      | Description                                                        |
24e41f4b71Sopenharmony_ci| ------------------------------------ | ---------- | ------------------------------------------------------------ |
25e41f4b71Sopenharmony_ci| FLAG_AUTH_PERSISTABLE_URI_PERMISSION | 0x00000040 | Grants the permission to make the URI persistent.<br>**System API**: This is a system API and cannot be called by third-party applications. |
26e41f4b71Sopenharmony_ci| FLAG_AUTH_PREFIX_URI_PERMISSION      | 0x00000080 | Grants the permission to verify URIs by prefix matching.<br>**System API**: This is a system API and cannot be called by third-party applications.|
27e41f4b71Sopenharmony_ci| FLAG_ABILITY_CONTINUATION_REVERSIBLE | 0x00000400 | Indicates that ability continuation is reversible.<br>**System API**: This is a system API and cannot be called by third-party applications.     |
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