Tooltipster sobre conteúdo dinâmico

<script type="text/javascript">
    $('body').on('mouseover mouseenter', '.tooltip', function(){
         $(this).tooltipster({
            contentAsHTML: 'true',
            animation: 'grow',
            theme: '.my-custom-theme',
            position: 'top-left'
         });
         $(this).tooltipster('show');
    });
</script>
Indian Gooner