This Variable turns the Ecommerce Item array (e.g. [{item_id: '12', quantity: 1},{item_id: '34', quantity: 2}]) into a string (e.g. '12|34'), or sums Item Values (e.g 3).
Ecom Items to String or Sum Values variable is created by gtm-templates-knowit-experience.
Once you set up server side tagging with MetricsGate, you can use this variable with Google Tag Manager to enhance your data analytics.
This variable template is part of an open-source community, with its source code accessible on Github,
and its documentation can also be found online.
You can check its version history below:
