Allow users to give a dashboard widget a custom name using ACF

add_action( 'wp_dashboard_setup', 'feed_dashboard_add_widgets' );
  

  function feed_dashboard_add_widgets() {
     $title = __( 'My title', 'textdomain' ); //by default title
     // if ACF is activated (prevent fatal) end your field not empty, define a new $title
     if ( function_exists( 'get_field' ) && ! empty( get_field('my_widget_name' ) ){
         $title = get_field('my_widget_name' );
     }
     
     wp_add_dashboard_widget( 'dw_dashboard_widget_feed', $title, 'my_cool_widget');
 }