+------------------+
|   Event Table    |
+------------------+
| Id               |
| EventName        |
| EventDescription |
| CreatorId        |
+------------------+

+------------------+
| Event Log Table  |
+------------------+
| Id               |
| EventId          |
| EventName        |
| EventDescription |
| EditorId         |
| TimeEdited       |
+------------------+

public IActionResult PostEvent([FromBody] Event event)
{
    _context.Event.Add(event);
    _context.Event.SaveChanges();

    EventLogController logController = new EventLogController(context);
    logController.PostEventLog(event);

    return Ok();
}

public IActionResult PostEventLog([FromBody] Event event)
{
    var eventLog = _mapper.Map<EventLog>(event);
    eventLog.TimeEdited = DateTime.Now;

    _context.EventLog.Add(eventLog);
    _context.EventLog.SaveChanges();

    return Ok();
}