[Home](./index.md) > [@digitalpersona/authentication](./authentication.md) > [WindowsAuth](./authentication.windowsauth.md) > [(constructor)](./authentication.windowsauth.(constructor).md) ## WindowsAuth.(constructor) Constructs a new integrated Windows authentication API object. Signature: ```typescript constructor(authService: IAuthService, client: IAuthenticationClient); ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | authService | IAuthService | an connected to the server. | | client | IAuthenticationClient | |