{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "message.json",
  "title": "Message",
  "description": "A service communication message from the Office 365 Service Communications API representing an incident, planned maintenance, or Message Center communication.",
  "type": "object",
  "properties": {
    "Id": {
      "type": "string",
      "description": "The message identifier."
    },
    "Name": {
      "type": "string",
      "description": "The message name."
    },
    "Title": {
      "type": ["string", "null"],
      "description": "The title of the message."
    },
    "StartTime": {
      "type": "string",
      "format": "date-time",
      "description": "The start time of the event."
    },
    "EndTime": {
      "type": "string",
      "format": "date-time",
      "description": "The end time of the event."
    },
    "Status": {
      "type": "string",
      "description": "The current status of the event."
    },
    "Messages": {
      "type": "array",
      "description": "History of messages published for this event.",
      "items": {
        "type": "object",
        "properties": {
          "PublishedTime": {
            "type": "string",
            "format": "date-time",
            "description": "The time the message was published."
          },
          "MessageText": {
            "type": "string",
            "description": "The text content of the message."
          }
        },
        "required": ["PublishedTime", "MessageText"]
      }
    },
    "LastUpdatedTime": {
      "type": "string",
      "format": "date-time",
      "description": "The last time the message was updated."
    },
    "Workload": {
      "type": "string",
      "description": "The workload associated with the message."
    },
    "WorkloadDisplayName": {
      "type": "string",
      "description": "The display name of the workload."
    },
    "Feature": {
      "type": "string",
      "description": "The feature associated with the message."
    },
    "FeatureDisplayName": {
      "type": "string",
      "description": "The display name of the feature."
    },
    "MessageType": {
      "type": "string",
      "description": "The type of message.",
      "enum": ["Incident", "PlannedMaintenance", "MessageCenter"]
    }
  },
  "required": ["Id", "StartTime", "Status", "Messages", "LastUpdatedTime"]
}