/* Add New Menu to Account Nav */
function add_menu_account_nav( $endpoint ) {
	$item = array(
		'custom_menu' => array(
            'slug'  => 'author/' . wp_get_current_user()->user_login,
			'label' => 'custom_menu',
			'title' => esc_html__( 'Custom Menu', 'jnews' )
		)
	);
	$endpoint = array_merge( $endpoint, $item );
	return $endpoint;
}
add_filter( 'jnews_account_page_endpoint', 'add_menu_account_nav' );