| Name | Type | Description | Notes |
|---|---|---|---|
| request_id | String | The request ID that is used to track a transaction request. The request ID is provided by you and must be unique within your organization. | |
| chain_id | String | The chain ID, which is the unique identifier of a blockchain. You can retrieve the IDs of all the chains you can use by calling List enabled chains. | |
| source | ContractCallSource | ||
| destination | ContractCallDestination | ||
| description | String | The description of the contract call transaction. | [optional] |
| category_names | [String] | The custom category for you to identify your transactions. | [optional] |
| fee | TransactionRequestFee | [optional] | |
| auto_fuel | AutoFuelType | [optional] |