ACF Image field display with lightbox?

[sarahfullcycle]

Hi,
I’ve successfully entered the code in my child theme functions.php file to display my ACF custom images as actual images. However, I would like to be able to have the lightbox effect work on those images, and right now it does not.

For example, I have code like this:

function dhvc_woo_product_page_acf_field_custom($value, $field){
        if($field == 'image_icon') 
		 return '';
  return $value;
}
add_filter('dhvc_woo_product_page_acf_field', 'dhvc_woo_product_page_acf_field_custom',10,2);

What/how do I modify this so that when the image displays, it can be clicked and opened in a lightbox?

Thank you!
-Sarah

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