{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://developer.schwab.com/schemas/order.json",
  "title": "Schwab Order",
  "type": "object",
  "required": ["orderType", "session", "duration", "orderStrategyType"],
  "properties": {
    "orderId": { "type": "string" },
    "session": {
      "type": "string",
      "enum": ["NORMAL", "AM", "PM", "SEAMLESS"]
    },
    "duration": {
      "type": "string",
      "enum": ["DAY", "GOOD_TILL_CANCEL", "FILL_OR_KILL"]
    },
    "orderType": {
      "type": "string",
      "enum": ["MARKET", "LIMIT", "STOP", "STOP_LIMIT", "TRAILING_STOP"]
    },
    "quantity": { "type": "number" },
    "filledQuantity": { "type": "number" },
    "remainingQuantity": { "type": "number" },
    "orderStrategyType": { "type": "string" },
    "status": { "type": "string" },
    "enteredTime": { "type": "string", "format": "date-time" },
    "closeTime": { "type": "string", "format": "date-time" },
    "orderLegCollection": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "instruction": {
            "type": "string",
            "enum": ["BUY", "SELL", "BUY_TO_OPEN", "SELL_TO_CLOSE", "SELL_SHORT", "BUY_TO_COVER"]
          },
          "quantity": { "type": "number" },
          "instrument": {
            "type": "object",
            "properties": {
              "symbol": { "type": "string" },
              "assetType": { "type": "string" }
            }
          }
        }
      }
    }
  }
}