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> The APIs of this module can be used only in the FA model. 9 10## Modules to Import 11 12```ts 13import ability from '@ohos.ability.ability'; 14``` 15 16**System capability**: SystemCapability.Ability.AbilityRuntime.FAModel 17 18| Name | Type | Mandatory | Description | 19| ------------------- | -------- | ---- | -------------------------------------- | 20| want | [Want](js-apis-application-want.md)| Yes | Want information about the target ability. | 21| abilityStartSetting | {[key: string]: any} | No | Special attribute of the target ability. This attribute can be passed in the call.| 22 23**Example** 24```ts 25import featureAbility from '@ohos.ability.featureAbility'; 26 27let Want = { 28 bundleName: 'com.example.abilityStartSettingApp2', 29 abilityName: 'com.example.abilityStartSettingApp.MainAbility', 30}; 31 32let abilityStartSetting ={ 33 [featureAbility.AbilityStartSetting.BOUNDS_KEY] : [100,200,300,400], 34 [featureAbility.AbilityStartSetting.WINDOW_MODE_KEY] : 35 featureAbility.AbilityWindowConfiguration.WINDOW_MODE_UNDEFINED, 36 [featureAbility.AbilityStartSetting.DISPLAY_ID_KEY] : 1, 37}; 38 39let startAbilityParameter: ability.StartAbilityParameter = { 40 want : Want, 41 abilityStartSetting : abilityStartSetting 42}; 43 44featureAbility.startAbility(startAbilityParameter, (err, data)=>{ 45 console.log('errCode : ' + JSON.stringify(err)); 46 console.log('data : ' + JSON.stringify(data)); 47}); 48``` 49