Most MetaLocator customers use Where to Buy to display opportunities to purchase from third parties.  However, for some customers, they present themselves as a purchase option within the Where to Buy Interface alongside third party options. 

Tracking purchases that pass through the MetaLocator Where to Buy interface must be reportable in the Website's analytics as a segment, allowing our customers to see which users purchased through Where to Buy, as opposed to any other direct methods available elsewhere on the site.  This is important for A:B testing and where other direct purchase options exist.

The objective is to inject a dimension of some kind along the user's conversion path. This dimension should be "segment-able".  E.g. an Analytics user should be able to filter to show only conversions that passed through Where to Buy using the chosen segment.

Prerequisites:

MetaLocator can trigger promotion impressions and clicks using Google Enhanced eCommerce as described in this article:
​https://developers.google.com/tag-manager/enhanced-ecommerce

In this approach, we consider Where to Buy as a "Promotion".  When Where to Buy is viewed, we trigger an impression as described here:

https://developers.google.com/tag-manager/enhanced-ecommerce#promo-impressions

When an internal conversion path is clicked, we trigger a promotion click:
​https://developers.google.com/tag-manager/enhanced-ecommerce#promo-clicks

This process is described here:
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​https://support.google.com/analytics/answer/6014872?hl=en
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MetaLocator can trigger a Google Analytics Event when the Where to Buy interface is displayed.  This allows the creation of reports that show conversions that include this special event.  This allows reporting for only those conversions which included this event along the conversion path.  

For example, an event such as the following can be triggered:

Event category = 'wheretobuy' (Analagous to utm_source)
Event action = '{view|click}_sku_{sku} | {view|click}_groupid_{groupid}' (Analagous to utm_campaign)
Event label = '{sku}' (Analagous to utm_content) 

The MetaLocator Buy Online HandleBars template must be updated to trigger this event as shown below:

<a href="#" onmousedown="dataLayer.push({'event' : 'trackEvent','eventCategory': 'wheretobuy','eventAction':'click_shoes_men_spring_2015','customDimension1':'competitorCount','customDimension2':'red','customDimension3':'buy_now','customDimension4':'a','customDimension5':'2','customDimension6':'price'});">

Alternatives:

http://cutroni.com/blog/2010/03/30/tracking-internal-campaigns-with-google-analytics/
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