1e41f4b71Sopenharmony_ci# StartAbilityParameter
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3e41f4b71Sopenharmony_ci定义启动Ability参数,可以作为入参,调用[startAbility](js-apis-ability-featureAbility.md#featureabilitystartability)启动指定的Ability。
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5e41f4b71Sopenharmony_ci> **说明:**
6e41f4b71Sopenharmony_ci> 
7e41f4b71Sopenharmony_ci> 本接口从API version 6开始支持。后续版本的新增接口,采用上角标单独标记接口的起始版本。
8e41f4b71Sopenharmony_ci> 本接口仅可在FA模型下使用
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10e41f4b71Sopenharmony_ci## 导入模块
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12e41f4b71Sopenharmony_ci```ts
13e41f4b71Sopenharmony_ciimport ability from '@ohos.ability.ability';
14e41f4b71Sopenharmony_ci```
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16e41f4b71Sopenharmony_ci## 属性
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18e41f4b71Sopenharmony_ci**系统能力**:以下各项对应的系统能力均为SystemCapability.Ability.AbilityRuntime.FAModel
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20e41f4b71Sopenharmony_ci| 名称               |   类型   | 必填   | 说明                                    |
21e41f4b71Sopenharmony_ci| ------------------- | -------- | ---- | -------------------------------------- |
22e41f4b71Sopenharmony_ci| want                | [Want](js-apis-app-ability-want.md)|   是   | 启动Ability的want信息。                     |
23e41f4b71Sopenharmony_ci| abilityStartSetting | { [key: string]: any } | 否    | 启动Ability的特殊属性,当开发者启动Ability时,该属性可以作为调用中的输入参数传递。 |
24e41f4b71Sopenharmony_ci| abilityStartSettings<sup>11+<sup> | Record\<string, Object> | 否    | 启动Ability的特殊属性,当开发者启动Ability时,该属性可以作为调用中的输入参数传递。推荐使用该属性替代abilityStartSetting,设置该属性后,abilityStartSetting不再生效。 |
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26e41f4b71Sopenharmony_ci**示例:**
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28e41f4b71Sopenharmony_ci<!--code_no_check_fa-->
29e41f4b71Sopenharmony_ci```ts
30e41f4b71Sopenharmony_ciimport ability from '@ohos.ability.ability';
31e41f4b71Sopenharmony_ciimport featureAbility from '@ohos.ability.featureAbility';
32e41f4b71Sopenharmony_ciimport Want from '@ohos.app.ability.Want';
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34e41f4b71Sopenharmony_cilet want: Want = {
35e41f4b71Sopenharmony_ci    bundleName: 'com.example.abilityStartSettingApp2',
36e41f4b71Sopenharmony_ci    abilityName: 'com.example.abilityStartSettingApp.EntryAbility',
37e41f4b71Sopenharmony_ci};
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39e41f4b71Sopenharmony_cilet startAbilityParameter: ability.StartAbilityParameter = {
40e41f4b71Sopenharmony_ci    want : want,
41e41f4b71Sopenharmony_ci    abilityStartSettings : {
42e41f4b71Sopenharmony_ci        abilityBounds : [100,200,300,400],
43e41f4b71Sopenharmony_ci        windowMode :
44e41f4b71Sopenharmony_ci        featureAbility.AbilityWindowConfiguration.WINDOW_MODE_UNDEFINED,
45e41f4b71Sopenharmony_ci        displayId : 1,
46e41f4b71Sopenharmony_ci    }
47e41f4b71Sopenharmony_ci};
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49e41f4b71Sopenharmony_citry {
50e41f4b71Sopenharmony_ci    featureAbility.startAbility(startAbilityParameter, (error, data) => {
51e41f4b71Sopenharmony_ci        if (error && error.code !== 0) {
52e41f4b71Sopenharmony_ci            console.error(`startAbility fail, error: ${JSON.stringify(error)}`);
53e41f4b71Sopenharmony_ci        } else {
54e41f4b71Sopenharmony_ci            console.log(`startAbility success, data: ${JSON.stringify(data)}`);
55e41f4b71Sopenharmony_ci        }
56e41f4b71Sopenharmony_ci    });
57e41f4b71Sopenharmony_ci} catch(error) {
58e41f4b71Sopenharmony_ci    console.error(`startAbility error: ${JSON.stringify(error)}`);
59e41f4b71Sopenharmony_ci}
60e41f4b71Sopenharmony_ci```