{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://fdc3.finos.org/schemas/2.2/api/appRequest.schema.json",
  "title": "App Request Message",
  "type": "object",
  "description": "A request message from an FDC3-enabled app to a Desktop Agent.",
  "properties": {
    "type": {
      "title": "Request Message type",
      "type": "string",
      "enum": [
        "addContextListenerRequest",
        "addEventListenerRequest",
        "addIntentListenerRequest",
        "broadcastRequest",
        "contextListenerUnsubscribeRequest",
        "createPrivateChannelRequest",
        "eventListenerUnsubscribeRequest",
        "findInstancesRequest",
        "findIntentRequest",
        "findIntentsByContextRequest",
        "getAppMetadataRequest",
        "getCurrentChannelRequest",
        "getCurrentContextRequest",
        "getInfoRequest",
        "getOrCreateChannelRequest",
        "getUserChannelsRequest",
        "heartbeatAcknowledgementRequest",
        "intentListenerUnsubscribeRequest",
        "intentResultRequest",
        "joinUserChannelRequest",
        "leaveCurrentChannelRequest",
        "openRequest",
        "privateChannelAddEventListenerRequest",
        "privateChannelDisconnectRequest",
        "privateChannelUnsubscribeEventListenerRequest",
        "raiseIntentForContextRequest",
        "raiseIntentRequest"
      ],
      "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 'Request' appended."
    },
    "payload": {
      "title": "Request payload",
      "type": "object",
      "description": "The message payload typically contains the arguments to FDC3 API functions."
    },
    "meta": {
      "title": "Request Metadata",
      "description": "Metadata for a request message sent by an FDC3-enabled app to a Desktop Agent.",
      "type": "object",
      "properties": {
        "requestUuid": {
          "$ref": "common.schema.json#/$defs/RequestUuid"
        },
        "timestamp": {
          "$ref": "common.schema.json#/$defs/Timestamp"
        },
        "source": {
          "title": "Source AppIdentifier",
          "description": "Field that represents the source application that a request or response was received from. Please note that this may be set by an app or Desktop Agent proxy for debugging purposes but a Desktop Agent should make its own determination of the source of a message to avoid spoofing.",
          "$ref": "api.schema.json#/definitions/AppIdentifier"
        }
      },
      "required": ["requestUuid", "timestamp"],
      "additionalProperties": false
    }
  },
  "required": ["type", "payload", "meta"],
  "additionalProperties": false
}