base.html - fragment , thisis in base html so it used in all templates (Django).

base-html-fragment.html

	{% if request.user.is_authenticated %}
		<!-- Customer.io Tracking -->
		<script type="text/javascript">
		  var _cio = _cio || [];
		  (function() {
		    var a,b,c;a=function(f){return function(){_cio.push([f].
		    concat(Array.prototype.slice.call(arguments,0)))}};b=["load","identify",
		    "sidentify","track","page"];for(c=0;c<b.length;c++){_cio[b[c]]=a(b[c])};
		    var t = document.createElement('script'),
		        s = document.getElementsByTagName('script')[0];
		    t.async = true;
		    t.id    = 'cio-tracker';
		    t.setAttribute('data-site-id', '{{ customerio_site_id }}');
		    t.src = 'https://assets.customer.io/assets/track.js';
		    s.parentNode.insertBefore(t, s);
		  })();
		</script>
		<script type="text/javascript">
		  _cio.identify({
		    // Required attributes
		    id: '{{ request.user.id }}',           // Unique id for the currently signed in user in your application.
		    email: '{{ request.user.email }}' // Email of the currently signed in user.
		  });
		</script>

	{% endif %}