-record(struct, {lst=[]}). -define(AFTER_LOGIN, "/account"). -define(LOGIN_PAGE, "/login"). -define(METHODS, [facebook,google,github,twitter]). -define(API,[sdk/0, % JavaScript for page embedding for JavaScript based login methods login_button/0, % HTML Button for page embedding event/1, % Page Event for HTTP redirect based login methods api_event/3, % Page Event for JavaScript based login methods callback/0, % Callback part of HTTP redirect based login methods registration_data/3 % Process Parameters ]).