# BuildSignatureRequest\_Eip712

### Description

Transforms a generic signature request into a blockchain-specific signature request with all necessary parameters populated for the target network.

**Supported operations:**

* **Plain Message signing**
* **EIP-712 structured data signing**

{% code overflow="wrap" %}

```csharp
public static VyTask<VyBuildSignatureResultDto> BuildSignatureRequest_Eip712(VyBuildEip712SignatureRequestDto reqParams)
```

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**Parameters**

| reqParams | [VyBuildEip712SignatureRequestDto](https://sdk.venly.io/sdk-reference/c-sdk-v3/object-references/wallet/vybuildsignaturerequestbase/vybuildeip712signaturerequestdto) | Request data for the operation |
| --------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------ |

**Returns**

VyTask<[VyBuildSignatureResultDto](https://sdk.venly.io/sdk-reference/c-sdk-v3/object-references/wallet/vybuildsignatureresultdto)>
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