{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://schemas.airtable.com/webhook.json",
  "title": "Airtable Webhook",
  "description": "An Airtable webhook subscription that monitors a base for changes and sends notifications to a specified URL. Webhooks expire after 7 days and must be periodically refreshed.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "The unique identifier for the webhook."
    },
    "type": {
      "type": "string",
      "description": "The type of webhook (e.g., client)."
    },
    "isHookEnabled": {
      "type": "boolean",
      "description": "Whether the webhook is currently active and will process events."
    },
    "notificationUrl": {
      "type": ["string", "null"],
      "format": "uri",
      "description": "The URL that receives POST notifications when monitored changes occur."
    },
    "cursorForNextPayload": {
      "type": "integer",
      "description": "The cursor position indicating the next unread payload. Used when polling for payloads."
    },
    "areNotificationsEnabled": {
      "type": "boolean",
      "description": "Whether HTTP notifications are currently being sent to the notification URL."
    },
    "createdTime": {
      "type": "string",
      "format": "date-time",
      "description": "The time when the webhook was created."
    },
    "expirationTime": {
      "type": "string",
      "format": "date-time",
      "description": "The time when the webhook will expire if not refreshed. Webhooks expire 7 days after creation or last refresh."
    },
    "specification": {
      "type": "object",
      "description": "The specification defining which changes the webhook monitors, including data types, field filters, and source options.",
      "properties": {
        "options": {
          "type": "object",
          "properties": {
            "filters": {
              "type": "object",
              "properties": {
                "dataTypes": {
                  "type": "array",
                  "description": "The types of data changes to monitor.",
                  "items": {
                    "type": "string",
                    "enum": ["tableData", "tableFields", "tableMetadata"]
                  }
                },
                "recordChangeScope": {
                  "type": "string",
                  "description": "The scope of record changes to monitor."
                },
                "watchDataInFieldIds": {
                  "type": "array",
                  "description": "Specific field IDs to watch for data changes.",
                  "items": {
                    "type": "string"
                  }
                },
                "watchSchemasOfFieldIds": {
                  "type": "array",
                  "description": "Specific field IDs to watch for schema changes.",
                  "items": {
                    "type": "string"
                  }
                }
              }
            }
          }
        }
      }
    }
  },
  "required": ["id", "type"],
  "additionalProperties": false
}