text: 
  "uitour-tag" ping
  =================
  
  This ping is submitted via the UITour setTreatmentTag API. It may be used by
  the tour to record what settings were made by a user or to track the result of
  A/B experiments.
  
  The client ID is submitted with this ping.
  
  Structure:
  
  .. code-block:: js
  
      {
        version: 1,
        type: "uitour-tag",
        clientId: <string>,
        payload: {
          tagName: <string>,
          tagValue: <string>
        }
      }
  
  See also: :doc:`common ping fields <common-ping>`
  
  