Redirect user to dashboard after logged in

/**
 * Redirect user to dashboard after logged in
 */
add_filter( 'login_redirect', function( $redirect_to, $requested_redirect_to, $user ){

    if( ! is_wp_error( $user ) && $user instanceof WP_User ){

        $user_url = get_author_posts_url( $user->ID );

        if( get_option( 'permalink_structure' ) ){
            return trailingslashit( $user_url ) . 'dashboard';
        }

        return add_query_arg( array(
            'dashboard' =>  '1'
        ), $user_url );
    }
    return $redirect_to;
}, 10, 3 );