{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/microsoft.graph.callEventType",
  "title": "callEventType",
  "enum": [
    "callStarted",
    "callEnded",
    "unknownFutureValue",
    "rosterUpdated"
  ],
  "type": "string"
}