1# FormEditExtensionContext 2 3**FormEditExtensionContext**, inherited from [UIExtensionContext](../apis-ability-kit/js-apis-inner-application-uiExtensionContext.md), is the context of [FormEditExtensionAbility](./js-apis-app-form-formEditExtensionAbility.md). 4 5> **NOTE** 6> 7> The initial APIs of this module are supported since API version 18. 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 stage model. 10 11## Modules to Import 12```ts 13import { FormEditExtensionAbility } from '@kit.FormKit'; 14``` 15## FormEditExtensionContext 16You can use **FormEditExtensionContext** to access specific **FormEditExtensionAbility** resources. 17 18### startSecondPage 19 20startSecondPage(want: Want): Promise<[AbilityResult](../apis-ability-kit/js-apis-inner-ability-abilityResult.md)> 21 22Starts the widget provider page to be edited. 23 24**Model restriction**: This API can be used only in the stage model. 25 26**System capability**: SystemCapability.Ability.Form 27 28**Parameters** 29 30 | Name| Type | Mandatory| Description | 31 | ------ | ------ | ---- | ------------------------------------- | 32 | want | [Want](../apis-ability-kit/js-apis-app-ability-want.md) | Yes | Information about the editing page that needs to be started by the home screen of a third-party application.| 33 34**Return value** 35 | Type| Description | 36 | ------ | ------ | 37 | Promise<[AbilityResult](../apis-ability-kit/js-apis-inner-ability-abilityResult.md)> | Promise used to return the ability result. | 38 39**Error codes** 40 41For details about the error codes, see [Form Error Codes](errorcode-form.md) and [Universal Error Codes](../errorcode-universal.md). 42 43| ID| Error Message | 44| -------- | ------------------------------------------------------------ | 45| 202 | The application is not a system application. | 46| 16500050 | An IPC connection error happened. | 47| 16501000 | An internal functional error occurred. | 48| 16500100 | Failed to obtain the configuration information. | 49 50**Example** 51 52```ts 53import { FormEditExtensionAbility } from '@kit.FormKit' 54import { Want,UIExtensionContentSession } from '@kit.AbilityKit'; 55 56const TAG: string = '[testTag] ExampleFormEditExtensionAbility' 57export default class ExampleFormEditAbility extends FormEditExtensionAbility { 58 abilityName: string = 'FormEditSecPageAbility' 59 onSessionCreate(want: Want, session: UIExtensionContentSession) { 60 try { 61 this.context.startSecondPage({ 62 bundleName: 'com.example.formEditDemo', 63 parameters: { 64 "secPageAbilityName": this.abilityName 65 } 66 67 }).then(data => { 68 console.log(TAG, `startSecondPage result want: ${JSON.stringify(data)}`) 69 }); 70 } catch (e) { 71 console.error(TAG, `startSecondPage failed:${e}`) 72 return 73 } 74 } 75} 76 77``` 78