This endpoint can be used to store specific dates about the session that are not necessarily part of the Rejoiner lifecycle.

Dates should be given in UTC formatted as an ISO string. The available date fields are:

Param NameRequiredTypeNotes
payment_dateNoDate StringIn UTC
fulfillment_dateNoDate StringIn UTC
delivery_dateNoDate StringIn UTC
_rejoiner.push(['setSessionDate', {
  'payment_date': new Date().toISOString(),
  'delivery_date': '2019-01-01T12:32:04.012Z'