ultimatemember

/* add new tab called "mytab" */

add_filter('um_account_page_default_tabs_hook', 'my_custom_tab_in_um', 100 );
function my_custom_tab_in_um( $tabs ) {
	$tabs[800]['mytab']['icon'] = 'um-faicon-pencil';
	$tabs[800]['mytab']['title'] = 'My Custom Tab';
	$tabs[800]['mytab']['custom'] = true;
	return $tabs;
}