1# @ohos.ability.wantConstant (wantConstant) 2 3The **wantConstant** module provides the actions, entities, and flags used in **Want** objects. 4 5> **NOTE** 6> 7> 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. 8 9## Modules to Import 10 11```ts 12import wantConstant from '@ohos.ability.wantConstant'; 13``` 14 15## wantConstant.Action 16 17Enumerates the action constants of the **Want** object. 18 19**System capability**: SystemCapability.Ability.AbilityBase 20 21| Name | Value | Description | 22| ------------ | ------------------ | ---------------------- | 23| ACTION_HOME | ohos.want.action.home | Action of returning to the home page. | 24| ACTION_DIAL | ohos.want.action.dial | Action of launching the numeric keypad. | 25| ACTION_SEARCH | ohos.want.action.search | Action of launching the search function. | 26| ACTION_WIRELESS_SETTINGS | ohos.settings.wireless | Action of launching the UI that provides wireless network settings, for example, Wi-Fi options. | 27| ACTION_MANAGE_APPLICATIONS_SETTINGS | ohos.settings.manage.applications | Action of launching the UI for managing installed applications. | 28| ACTION_APPLICATION_DETAILS_SETTINGS | ohos.settings.application.details | Action of launching the UI that displays the details of an application. | 29| ACTION_SET_ALARM | ohos.want.action.setAlarm | Action of launching the UI for setting the alarm clock. | 30| ACTION_SHOW_ALARMS | ohos.want.action.showAlarms | Action of launching the UI that displays all alarms. | 31| ACTION_SNOOZE_ALARM | ohos.want.action.snoozeAlarm | Action of launching the UI for snoozing an alarm. | 32| ACTION_DISMISS_ALARM | ohos.want.action.dismissAlarm | Action of launching the UI for deleting an alarm. | 33| ACTION_DISMISS_TIMER | ohos.want.action.dismissTimer | Action of launching the UI for dismissing a timer. | 34| ACTION_SEND_SMS | ohos.want.action.sendSms | Action of launching the UI for sending an SMS message. | 35| ACTION_CHOOSE | ohos.want.action.choose | Action of launching the UI for opening a contact or picture. | 36| ACTION_IMAGE_CAPTURE<sup>8+</sup> | ohos.want.action.imageCapture | Action of launching the UI for photographing. | 37| ACTION_VIDEO_CAPTURE<sup>8+</sup> | ohos.want.action.videoCapture | Action of launching the UI for shooting a video. | 38| ACTION_SELECT | ohos.want.action.select | Action of launching the UI for application selection. | 39| ACTION_SEND_DATA | ohos.want.action.sendData | Action of launching the UI for sending a single data record. | 40| ACTION_SEND_MULTIPLE_DATA | ohos.want.action.sendMultipleData | Action of launching the UI for sending multiple data records. | 41| ACTION_SCAN_MEDIA_FILE | ohos.want.action.scanMediaFile | Action of requesting a media scanner to scan a file and add the file to the media library. | 42| ACTION_VIEW_DATA | ohos.want.action.viewData | Action of viewing data. | 43| ACTION_EDIT_DATA | ohos.want.action.editData | Action of editing data. | 44| INTENT_PARAMS_INTENT | ability.want.params.INTENT | Action of displaying selection options with an action selector. | 45| INTENT_PARAMS_TITLE | ability.want.params.TITLE | Title of the character sequence dialog box used with the action selector. | 46| ACTION_FILE_SELECT<sup>7+</sup> | ohos.action.fileSelect | Action of selecting a file. | 47| PARAMS_STREAM<sup>7+</sup> | ability.params.stream | URI of the data stream associated with the target when the data is sent. The value must be an array of the string type. | 48| ACTION_APP_ACCOUNT_OAUTH <sup>8+</sup> | ohos.account.appAccount.action.oauth | Action of providing the OAuth service. | 49| DLP_PARAMS_INDEX<sup>9+</sup> |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. | 50 51## wantConstant.Entity 52 53Enumerates the entity constants of the **Want** object. 54 55**System capability**: SystemCapability.Ability.AbilityBase 56 57| Name | Value | Description | 58| ------------ | ------------------ | ---------------------- | 59| ENTITY_DEFAULT | entity.system.default | Default entity. The default entity is used if no entity is specified. | 60| ENTITY_HOME | entity.system.home | Home screen entity. | 61| ENTITY_VOICE | entity.system.voice | Voice interaction entity. | 62| ENTITY_BROWSABLE | entity.system.browsable | Browser type entity. | 63| ENTITY_VIDEO | entity.system.video | Video type entity. | 64 65 66## wantConstant.Flags 67 68Enumerates the flags that specify how the Want will be handled. 69 70**System capability**: SystemCapability.Ability.AbilityBase 71 72| Name | Value | Description | 73| ------------------------------------ | ---------- | ------------------------------------------------------------ | 74| FLAG_AUTH_READ_URI_PERMISSION | 0x00000001 | Grants the permission to read the URI. | 75| FLAG_AUTH_WRITE_URI_PERMISSION | 0x00000002 | Grants the permission to write data to the URI. | 76| FLAG_ABILITY_FORWARD_RESULT | 0x00000004 | Returns the result to the ability. | 77| FLAG_ABILITY_CONTINUATION | 0x00000008 | Indicates whether the ability on the local device can be continued on a remote device. | 78| FLAG_NOT_OHOS_COMPONENT | 0x00000010 | Indicates that a component does not belong to OHOS. | 79| FLAG_ABILITY_FORM_ENABLED | 0x00000020 | Indicates that an ability is enabled. | 80| 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. | 81| 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.| 82| FLAG_ABILITYSLICE_MULTI_DEVICE | 0x00000100 | Indicates the support for cross-device startup in the distributed scheduler. | 83| FLAG_START_FOREGROUND_ABILITY | 0x00000200 | Indicates that the ServiceAbility is started regardless of whether the host application has been started. | 84| 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. | 85| FLAG_INSTALL_ON_DEMAND | 0x00000800 | Indicates that the specific ability will be installed if it has not been installed. | 86| FLAG_INSTALL_WITH_BACKGROUND_MODE | 0x80000000 | Indicates that the specific ability will be installed in the background if it has not been installed. | 87| FLAG_ABILITY_CLEAR_MISSION | 0x00008000 | Clears other operation missions. This flag can be set for the **Want** object in the [startAbility](js-apis-ability-featureAbility.md#startability) API passed to the **FeatureAbility** module and must be used together with **flag_ABILITY_NEW_MISSION**.| 88| FLAG_ABILITY_NEW_MISSION | 0x10000000 | Creates a mission on the history mission stack. | 89| FLAG_ABILITY_MISSION_TOP | 0x20000000 | Reuses an ability instance if it is on the top of an existing mission stack; creates an ability instance otherwise.| 90