The following code is added to the corresponding skin file of the widget. This will of course be overwritten in case of updates.
protected function render_post_header() {
?>
<article <?php post_class( [ 'elementor-post elementor-grid-item' ] ); ?>>
<div class="elementor-post__card">
<span class="koopimg">
<?php
$values = get_field('partner');
if($values)
{
foreach($values as $value)
{
if( $value == 'bestimmtes')
{
echo "<img src='bild.png'>";
}
}
}
?>
</span>
<?php
}