{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://fdc3.finos.org/schemas/next/api/fdc3UserInterfaceChannelSelected.schema.json",
  "title": "Fdc3 UserInterface Channel Selected",
  "description": "Message from a channel selector UI to the DA proxy sent when the channel selection changes.",
  "type": "object",
  "allOf": [
    {
      "$ref": "#/$defs/Fdc3UserInterfaceChannelSelectedBase"
    },
    {
      "$ref": "fdc3UserInterfaceMessage.schema.json"
    }
  ],
  "$defs": {
    "Fdc3UserInterfaceChannelSelectedBase": {
      "type": "object",
      "properties": {
        "type": {
          "title": "Fdc3 UserInterface ChannelSelected Message Type",
          "const": "Fdc3UserInterfaceChannelSelected"
        },
        "payload": {
          "title": "Fdc3 UserInterface ChannelSelected Payload",
          "type": "object",
          "properties": {
            "selected": {
              "title": "Selected Channel",
              "description": "The id of the channel that should be currently selected, or `null` if none should be selected.",
              "oneOf": [
                {"type": "string"}, {"type": "null"}
              ]
            }
          },
          "additionalProperties": false,
          "required": ["selected"]
        }
      },
      "required": [
        "type",
        "payload"
      ],
      "additionalProperties": false
    }
  }
}