The type of activity occurring. {@code NOTES} is the activity associated to attachments. {@code PROBLEM_DESCRIPTION} is the activity associated to customer problem description. {@code UPDATE} is the activity associated to adding comments. {@code CLOSE} is the activity associated to closing the support request. {@code REOPEN} is the activity associated to reopening the support request. {@code ADD_CONTACT} is the activity associated to adding additional contact to the support request.
Comments updated at the time that the activity occurs.
Details for updating the support request activity.