Although Personalization can capture visitors’ webpage views on their own, there are also other methods which can capture data. Each of the following methods can make use of additional variables to capture more specific information:
Personalization determines the page context to use when tracking captures,
capturing language, and segmenting users. Personalization can collect further
custom page information using the Capture API. Visitor profile custom fields
are user-defined fields used to capture information specific to a customer
website. Personalization passes the custom values along with capture data
when specified within <meta> tags in the <head> section of a page or
when specified in the global PersonalizationJavaScript scope. To pass
capture data or user-defined fields using a metatag, the metatag should be
added to the <head> in the following format:
<meta itemprop="acquia_lift:custom-field-name" content="custom-field-value">
From the preceding format, custom-field-name is the parameter used by
captureView, which is the field name used by the data warehouse. The
custom-field-value parameter is the value to track for that field. The
custom field name uses the format acquia_lift:[TABLE]_udf[NUMBER], where:
[TABLE] is either person, touch, or event.[NUMBER] is the custom field selected when creating the custom column
metadata.For example, if person_udf50 represents Industry, and the current
visitor’s industry is the healthcare industry, then the metatag for the page
capture will be the following:
<meta itemprop="acquia_lift:person_udf50" content="Healthcare">
To pass the same information directly using JavaScript, use the following code:
window.AcquiaLift = window.AcquiaLift || {};
window.AcquiaLift.profile = window.AcquiaLift.profile || {};
window.AcquiaLift.profile.person_udf50 = 'Healthcare';
If the same field is defined in both a metatag and within JavaScript, the value defined within JavaScript will be used.
Note
Metatags must be defined in the page before the lift.js
reference on the initial page load. If the tags are defined after the
JavaScript is called, the script will not work properly because updates
will be reflected only in the next script call.
To capture the language context for a page or user in Drupal 8, use the following metatag:
acquia lift: context_language
You can also define variables directly in your page’s JavaScript, like the following:
window.AcquiaLift.profile.person_udf5 = 'my dynamic content goes here';
The default timeout set in both lift.js and the /decide-js endpoint is
30 seconds. You can alter the timeout value for all calls (except
authentication calls) by providing a different timeout value. For example, the
following code increases the timeout value to 60 seconds:
window.AcquiaLift.loadTimeout = 60;
You can perform various actions using tracking scripts to capture more information about your page views.
To capture a page view, add the following JavaScript code to your webpage:
<script type="text/javascript">
_tcaq.push(['capture', 'Content View']);
</script>
Personalization captures the page view and associates it with the website visitor’s information.
Note
You will generally want to capture the page view for every tracked webpage, you can add the instruction to the end of the Personalization tracker script.
The capture method includes several parameters which you can use to include additional information about the webpage or the website visitor:
_tcaq.push(['capture', '<category>', {'<parameter>':'<value>'}]);
Personalization provides the ability to set do_not_track information for
a user. The capture API (POST call) allows the user to send a capture while
indicating whether or not the visitor should be tracked. The capture must use
the following event_name: updatePersonTracking. For example:
{
"identity": "qa_5373_2016-12-01 13:21:[email protected]",
"identity_source": "email",
"do_not_track": true,
"return_segments": true,
"captures": [
{
"event_source": "app",
"event_name": "updatePersonTracking",
"event_date": "2016-11-24 13:21:57.418",
"engagement_score": 0
}
]
}
To use custom events with Personalization, create an event in Personalization.
You can then pass the event to the Personalization service by using the following JavaScript command:
<script type="text/javascript">
_tcaq.push(['capture', 'event_id']);
</script>
where event_id is the ID of the event you created.
Note
Public _tcaq functions are only available after lift-capture.js is
loaded on a page after personalization return. You will know
lift-capture.js hasn’t loaded on a page if you receive the following
reference error:
ReferenceError: _tcaq is not defined
You can use Drupal taxonomy terms in your page capture by ensuring you have mapping fields set to taxonomy vocabularies in your Personalization-enabled Drupal website. These can be set in the Personalization settings by going to Configuration > Web Services > Personalization, in the Data collection settings section.
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