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Hi Greyhead
​
Please advise me on how to make it work
​
In form I have dynamic dropdown and the next Custom code on load

<?php
$doc = JFactory::getDocument();
JHtml::_('jquery.framework');
$doc->addStylesheet(JUri::root().'https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.6-rc.0/css/select2.min.css');
$doc->addScript(JUri::root().'https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.6-rc.0/js/select2.min.js');

$script = "
jQuery(document).ready(function(jQ) {
  jQ('#dropdown2').select2({
    ajax: {
    url: 'https://my.site.org/index.php?option=com_chronoforms5&chronoform=123&tmpl=component&tvout=ajax',
    dataType: 'json'
  }
  });
});
";
$doc->addScriptDeclaration($script);
?>

URL in the code above has a valid json output
​
How to put this retrieved options to the dropdown?

Hi tempus,
​
Please check this FAQ
​
Bob