Documentation

The following code can be used to display custom fields in the wall:

$item->jcfields = Joomla\Component\Fields\Administrator\Helper\FieldsHelper::getFields('com_content.article', $item, true);
$fields = [];

foreach ($item->jcfields as $jcfield) {
  $fields[$jcfield->name] = $jcfield;
}

To display all fields, use the following code:

To display a specific custom field, use the following code: