<gh_stars>1-10
{
  "$id": "https://www.amwa.tv/event_and_tally/event.json",
  "$schema": "http://json-schema.org/draft-04/schema#",
  "type": "object",
  "description": "Message that gets sent out when the source state changes",
  "title": "State change event",
  "oneOf": [{
    "$ref": "event_boolean.json"
  }, {
    "$ref": "event_number.json"
  }, {
    "$ref": "event_string.json"
  }, {
    "$ref": "event_object.json"
  }]
}
