| Name | Type | Description | Notes |
|---|---|---|---|
| PreviewId | string | Preview result ID | |
| SellCurrency | string | Name of the asset to be sold, obtained from the interface GET /flash_swap/currency_pairs: Query the list of all trading pairs supporting flash swap | |
| SellAmount | string | Amount to sell (based on the preview result) | |
| BuyCurrency | string | Name of the asset to be bought, obtained from the interface GET /flash_swap/currency_pairs: Query the list of all trading pairs supporting flash swap | |
| BuyAmount | string | Amount to buy (based on the preview result) |