1# StartAbilityParameter 2 3The **StartAbilityParameter** module defines the parameters for starting an ability. The parameters can be used as input parameters in [startAbility](js-apis-ability-featureAbility.md#featureabilitystartability) to start the specified ability. 4 5> **NOTE** 6> 7> The initial APIs of this module are supported since API version 6. Newly added APIs will be marked with a superscript to indicate their earliest API version. 8> 9> The APIs of this module can be used only in the FA model. 10 11## Modules to Import 12 13```ts 14import ability from '@ohos.ability.ability'; 15``` 16 17## Attributes 18 19**System capability**: SystemCapability.Ability.AbilityRuntime.FAModel 20 21| Name | Type | Mandatory | Description | 22| ------------------- | -------- | ---- | -------------------------------------- | 23| want | [Want](js-apis-app-ability-want.md)| Yes | Want information about the target ability. | 24| abilityStartSetting | { [key: string]: any } | No | Special attribute of the target ability. This attribute can be passed in the call.| 25| abilityStartSettings<sup>11+<sup> | Record\<string, Object> | No | Special attribute of the target ability. This attribute can be passed in the call. You are advised to use this attribute to replace **abilityStartSetting**. When this attribute is set, **abilityStartSetting** does not take effect.| 26 27**Example** 28 29<!--code_no_check_fa--> 30```ts 31import ability from '@ohos.ability.ability'; 32import featureAbility from '@ohos.ability.featureAbility'; 33import Want from '@ohos.app.ability.Want'; 34 35let want: Want = { 36 bundleName: 'com.example.abilityStartSettingApp2', 37 abilityName: 'com.example.abilityStartSettingApp.EntryAbility', 38}; 39 40let startAbilityParameter: ability.StartAbilityParameter = { 41 want : want, 42 abilityStartSettings : { 43 abilityBounds : [100,200,300,400], 44 windowMode : 45 featureAbility.AbilityWindowConfiguration.WINDOW_MODE_UNDEFINED, 46 displayId : 1, 47 } 48}; 49 50try { 51 featureAbility.startAbility(startAbilityParameter, (error, data) => { 52 if (error && error.code !== 0) { 53 console.error(`startAbility fail, error: ${JSON.stringify(error)}`); 54 } else { 55 console.log(`startAbility success, data: ${JSON.stringify(data)}`); 56 } 57 }); 58} catch(error) { 59 console.error(`startAbility error: ${JSON.stringify(error)}`); 60} 61``` 62