{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "definitions": {
    "ThreadAttachment": {
      "description": "An independently persisted attachment associated with a thread.",
      "properties": {
        "attachmentType": {
          "type": "string"
        },
        "createdAt": {
          "format": "int64",
          "type": "integer"
        },
        "id": {
          "type": "string"
        },
        "identityKey": {
          "type": "string"
        },
        "payload": true
      },
      "required": [
        "attachmentType",
        "createdAt",
        "id",
        "identityKey",
        "payload"
      ],
      "type": "object"
    },
    "ThreadAttachmentAddOutcome": {
      "description": "Result of attempting to associate an attachment with a thread.",
      "enum": [
        "created",
        "existing"
      ],
      "type": "string"
    }
  },
  "description": "The created or existing attachment.",
  "properties": {
    "attachment": {
      "$ref": "#/definitions/ThreadAttachment"
    },
    "outcome": {
      "$ref": "#/definitions/ThreadAttachmentAddOutcome"
    }
  },
  "required": [
    "attachment",
    "outcome"
  ],
  "title": "ThreadAttachmentAddResponse",
  "type": "object"
}