Custom fields in Summary

…I answer myself 🙂

Modifiying the template: content-summary-job_listing.php with:
<?php echo nl2br(do_shortcode( ‘ [cm_fieldshow key=”_field_cfwjm1221″] ‘ )); ?>

Be aware to do it following these rules:
https://wpjobmanager.com/document/template-overrides/

Thanks for the pluging!