[Home](./index.md) > [@digitalpersona/services](./services.md) > [AuthService](./services.authservice.md) > [DestroyAuthentication](./services.authservice.destroyauthentication.md) ## AuthService.DestroyAuthentication() method Signature: ```typescript DestroyAuthentication(authId: AuthenticationHandle): Promise; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | authId | AuthenticationHandle | | Returns: `Promise`