| Name | Type | Description | Notes |
|---|---|---|---|
| price | string | Trigger price | |
| rule | string | Price trigger condition - >=: triggered when market price larger than or equal to `price` field - <=: triggered when market price less than or equal to `price` field | |
| expiration | int | How long (in seconds) to wait for the condition to be triggered before cancelling the order. |