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