| Name | Type | Description | Notes |
|---|---|---|---|
| sub_account | str | Sub account user ID | |
| sub_account_type | str | Target sub-account trading account: spot - spot account, futures - perpetual contract account, delivery - delivery contract account, options - options account | [optional] [default to 'spot'] |
| currency | str | Transfer currency name | |
| amount | str | Transfer amount | |
| direction | str | Transfer direction: to - transfer into sub-account, from - transfer out from sub-account | |
| client_order_id | str | Customer-defined ID to prevent duplicate transfers. Can be a combination of letters (case-sensitive), numbers, hyphens '-', and underscores '_'. Can be pure letters or pure numbers with length between 1-64 characters | [optional] |