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## Attributes
17
18**System capability**: SystemCapability.Ability.AbilityRuntime.FAModel
19
20| Name              |   Type  | Mandatory  | Description                                   |
21| ------------------- | -------- | ---- | -------------------------------------- |
22| want                | [Want](js-apis-app-ability-want.md)|   Yes  | Want information about the target ability.                    |
23| abilityStartSetting | { [key: string]: any } | No   | Special attribute of the target ability. This attribute can be passed in the call.|
24| 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.|
25
26**Example**
27
28<!--code_no_check_fa-->
29```ts
30import ability from '@ohos.ability.ability';
31import featureAbility from '@ohos.ability.featureAbility';
32import Want from '@ohos.app.ability.Want';
33
34let want: Want = {
35    bundleName: 'com.example.abilityStartSettingApp2',
36    abilityName: 'com.example.abilityStartSettingApp.EntryAbility',
37};
38
39let startAbilityParameter: ability.StartAbilityParameter = {
40    want : want,
41    abilityStartSettings : {
42        abilityBounds : [100,200,300,400],
43        windowMode :
44        featureAbility.AbilityWindowConfiguration.WINDOW_MODE_UNDEFINED,
45        displayId : 1,
46    }
47};
48
49try {
50    featureAbility.startAbility(startAbilityParameter, (error, data) => {
51        if (error && error.code !== 0) {
52            console.error(`startAbility fail, error: ${JSON.stringify(error)}`);
53        } else {
54            console.log(`startAbility success, data: ${JSON.stringify(data)}`);
55        }
56    });
57} catch(error) {
58    console.error(`startAbility error: ${JSON.stringify(error)}`);
59}
60```
61