# signSignatureById

### Description

Executes a confirmed signature request by performing the cryptographic signing operation. It returns the completed signature in the appropriate format.

**Prerequisites:**

* Signature request must be in **READY** status (use confirm endpoint first)

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```javascript
public signSignatureById(id: string, reqParams: VySignSignatureRequest, signingMethod: VyUserAuth) : VyPromise<VySignatureBase>
```

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**Parameters**

| id            | string                                                                                                                | UUID of the signature request to execute                                   |
| ------------- | --------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------- |
| reqParams     | [VySignSignatureRequest](https://sdk.venly.io/sdk-reference/ts-js-v3/object-references/wallet/vysignsignaturerequest) | Request data for the operation                                             |
| signingMethod | VyUserAuth                                                                                                            | This operation requires a valid Signing-Method from the corresponding user |

**Returns**

VyPromise<[VySignatureBase](https://sdk.venly.io/sdk-reference/ts-js-v3/object-references/wallet/vysignaturebase)>\
Signature signed successfully.
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