{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://fdc3.finos.org/schemas/2.2/api/agentEvent.schema.json",
  "title": "Agent Event Message",
  "type": "object",
  "description": "A message from a Desktop Agent to an FDC3-enabled app representing an event.",
  "properties": {
    "type": {
      "title": "Event Message Type",
      "type": "string",
      "enum": [
        "addEventListenerEvent",
        "broadcastEvent",
        "channelChangedEvent",
        "heartbeatEvent",
        "intentEvent",
        "privateChannelOnAddContextListenerEvent",
        "privateChannelOnDisconnectEvent",
        "privateChannelOnUnsubscribeEvent"
      ],
      "description": "Identifies the type of the message and it is typically set to the FDC3 function name that the message relates to, e.g. 'findIntent', with 'Response' appended."
    },
    "payload": {
      "title": "Event Payload",
      "type": "object",
      "description": "The message payload contains details of the event that the app is being notified about.",
      "additionalProperties": true
    },
    "meta": {
      "title": "Event Metadata",
      "description": "Metadata for messages sent by a Desktop Agent to an app notifying it of an event.",
      "type": "object",
      "properties": {
        "timestamp": {
          "$ref": "common.schema.json#/$defs/Timestamp"
        },
        "eventUuid": {
          "$ref": "common.schema.json#/$defs/EventUuid"
        }
      },
      "required": ["timestamp", "eventUuid"],
      "additionalProperties": false
    }
  },
  "additionalProperties": false,
  "required": ["type", "payload", "meta"]
}