# Method Web.Auth.OAuth2.`()()

Method `()

  `protected Base `()(string client_id, string client_secret, void|string redirect_uri, void|string|array(string)|multiset(string) scope)`

Description

  Instantiate a generic OAuth2 Base class.

Parameter `client_id`

  The application ID.

Parameter `client_secret`

  The application secret.

Parameter `redirect_uri`

  Where the authorization page should redirect back to. This must be a fully qualified domain name. This can be set/overridden in Base()->get_auth_uri() and/or Base()->set_redirect_uri().

Parameter `scope`

  Extended permissions to use for this authentication. This can be set/overridden in Base()->get_auth_uri().