# CreateTransaction\_ContractExecution

Creates a blockchain transaction of any supported type with autogenrating the gas fields.

**Supported Transaction Types:**

* Native token transfers
* ERC-20 token transfers
* NFT transfers (ERC-721, ERC-1155)
* Smart contract interactions

{% code overflow="wrap" %}

```cpp
void CreateTransaction_ContractExecution(const FVyUserAuth& SigningMethod, const FVyCreateTransaction_ContractExecutionRequest& Params, const FVyOnCreateTransaction_ContractExecutionComplete& OnComplete) const;
```

{% endcode %}

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**Parameters**

| SigningMethod | FVyUserAuth                                                                                                                                                            | The Id and Value of one of the user's registered signing-methods                        |
| ------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------- |
| Params        | [FVyCreateTransaction\_ContractExecutionRequest](https://sdk.venly.io/sdk-reference/ue5-sdk-v3/object-references/wallet/fvycreatetransaction_contractexecutionrequest) | Parameters for this operation (FVyCreateTransaction\_ContractExecutionRequest)          |
| OnComplete    | FVyOnCreateTransaction\_ContractExecutionComplete                                                                                                                      | The callback function called when the user preferences retrieval operation is complete. |

\
**OnComplete Callback** (FVyOnCreateTransaction\_ContractExecutionComplete)\
Contains a [FVyTransactionResultDto](https://sdk.venly.io/sdk-reference/ue5-sdk-v3/object-references/wallet/fvytransactionresultdto) response type