[Home](./index.md) > [ember-asset-size-report](./ember-asset-size-report.md) > [Project](./ember-asset-size-report.project.md) > [emberNewInTemp](./ember-asset-size-report.project.embernewintemp.md) ## Project.emberNewInTemp() method > This API is provided as a preview for developers and may change based on feedback that we receive. Do not use this API in a production environment. > Create a new app via `ember new` in a temporary folder Signature: ```typescript static emberNewInTemp(appName: string, spinner?: SpinnerLike): Promise; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | appName | string | name of the ember app | | spinner | SpinnerLike | optional loading spinner | Returns: `Promise`