To register an event, use the following code:
<script type='text/javascript'> googletag.cmd.push(function() { googletag.defineSlot('/123456/leadeboard', [[728, 90]], 'div-gpt-ad-123456789-0').addService(googletag.pubads()); googletag.pubads().enableSingleRequest(); googletag.pubads().addEventListener('slotRenderEnded', function(event) { console.log('Slot has been rendered:'); }); googletag.enableServices(); }); </script>
The documentation is in the GPT link .
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