{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "title": "Legacy (Normandy) Heartbeat, via Nimbus",
  "description": "The schema for the Legacy Heartbeat Nimbus feature.",
  "type": "object",
  "properties": {
    "survey": {
      "$comment": "Hearbeat arguments are nested under survey to prevent simultaneous rollouts and experiments from overriding eachothers optional variables",
      "type": "object",
      "properties": {
        "repeatOption": {
          "type": "string",
          "enum": ["once", "xdays", "nag"],
          "description": "Determines how often a prompt is shown executes.",
          "default": "once"
        },
        "repeatEvery": {
          "description": "For repeatOption=xdays, how often (in days) the prompt is displayed.",
          "default": null,
          "type": ["number", "null"]
        },
        "includeTelemetryUUID": {
          "type": "boolean",
          "description": "Include unique user ID in post-answer-url and Telemetry",
          "default": false
        },
        "surveyId": {
          "description": "Slug uniquely identifying this survey in telemetry",
          "type": "string"
        },
        "message": {
          "description": "Message to show to the user",
          "type": "string"
        },
        "engagementButtonLabel": {
          "description": "Text for the engagement button. If specified, this button will be shown instead of rating stars.",
          "default": null,
          "type": ["string", "null"]
        },
        "thanksMessage": {
          "description": "Thanks message to show to the user after they've rated Firefox",
          "type": "string"
        },
        "postAnswerUrl": {
          "description": "URL to redirect the user to after rating Firefox or clicking the engagement button",
          "default": null,
          "type": ["string", "null"]
        },
        "learnMoreMessage": {
          "description": "Message to show to the user to learn more",
          "default": null,
          "type": ["string", "null"]
        },
        "learnMoreUrl": {
          "description": "URL to show to the user when they click Learn More",
          "default": null,
          "type": ["string", "null"]
        }
      },
      "required": [
        "surveyId",
        "message",
        "thanksMessage",
        "postAnswerUrl",
        "learnMoreMessage",
        "learnMoreUrl"
      ],
      "additionalProperties": false
    }
  },
  "required": ["survey"],
  "additionalProperties": false
}