Message sent by the client to retrieve a list of supported exchanges and pairs/instruments.
| Tag | Name | Req | Type | Description | Example |
|---|---|---|---|---|---|
| Header | Y | MsgType='x' | |||
| 320 | SecurityReqID | Y | String | Unique identifier of this request. | 320=234dsj |
| 559 | SecurityListRequestType | Y | int | The type/criteria of the request:4 = All securities6 = Spot7 = Futures8 = Swaps | 559=4 |
| 207 | SecurityExchange | N | String | Exchange Name - if not specified, all supported exchanges will be returned. | 207=huobi |
| Trailer | Y |