CORE_ALERT_MANAGE CORE Endpoint
  /ondemand/core/?method=CORE_ALERT_MANAGE  
  Manage email & SMS alerts eg reminders.  
  PARAMETERS TYPE NOTES
  remove 1  
  reference Text  
  notes Text  
  object Numeric eg 17 for actions.
  objectcontext Numeric  
  sendtype Numeric 1=Email, 2=SMS (assuming this enabled for the structure).
  sendtouser Numeric If set to -1, then the contact person linked to the objectcontext will get the alert - ie if doing an Action Reminder then this is the contact linked to the action, eg so can send them a reminder the day before an appointment etc.
  sendwhen Numeric  
  sendbeforedays Numeric  
  sendbeforehours Numeric  
  sendbeforeminutes Numeric  
  sendatdatetime Date  
  RETURN  
  status ADDED, UPDATED, REMOVED