username

Good morning, I have to load the username of a textbox
joomla 3.5.1/Chronoforms 5
I read this article https://www.chronoengine.com/faqs/56-cfv4/cfv4-other-faqs/2586-how-can-i-get-information-about-the-user.html

io have insert

<?php
$user = \JFactory::getUser();
?>

in custom code (on load), but do not understand where I'm wrong.

thanks for the tips

Hi agostinopol,

What have you added to your Custom Code?

Where do you need the username?

Bob

I solved the problem, i insert:

1) the custom witch code

<?php
$user = JFactory::getUser();
$form->data['user_name'] = $user->username;
?>

2) i insert textbox

how can I make the textbox username can not be modified?

readonly=readonly
in Extra params