display an image instead of a text for the category in the tooltip – PRO feature

How would you display an image instead of a text for the category in the tooltip?

You can create a custom tag and display an image from each category
eg

Locate_And_Filter_Addon_Helper::define_custom_tags( 
  array( 'category_image' =>'category_image'),
  'all', getDataCallbackFn_locateanythingmarkercategory_image,
  'category_image'
);
function getDataCallbackFn_locateanythingmarkercategory_image( $field, $id){
	$html = '';
	ob_start();
	?>
		<div class="tags_wrap tooltip_tags">
			<div class="cat_services tags_list">
				<?php 
					$cat_services = get_the_terms( $id, 'locateanythingmarkercategory' );
					foreach ($cat_services as $key => $cat_service) {
						echo '<img class="tags_element '.$cat_service->slug.'" src="/'.$cat_service->slug.'.png">';
					}
				?>
			</div>
		</div>
	<?php
		
	$html .= ob_get_contents();
	ob_end_clean();
 
    return strval($html);   
}

Locate_And_Filter_Addon_Helper::define_custom_tags(

array( 'category_image' =>'category_image'),

'all', getDataCallbackFn_locateanythingmarkercategory_image,

'category_image'

);

function getDataCallbackFn_locateanythingmarkercategory_image( $field, $id){

$html = '';

ob_start();

<?php

$cat_services = get_the_terms( $id, 'locateanythingmarkercategory' );

foreach ($cat_services as $key => $cat_service) {

echo '<img class="tags_element '.$cat_service->slug.'" src="/'.$cat_service->slug.'.png">';

}

</div>

<?php

$html .= ob_get_contents();

ob_end_clean();

return strval($html);

}