---
title: SignatureId
parent: Model
layout: page
---

# SignatureId

## Model getters

Method name | Return type | Description | Notes
------------ | ------------- | ------------- | -------------
**getSignatureId()** | **string** | The internal Tatum ID of the prepared transaction for Key Management Sysytem (KMS) to sign<br/>This is different from the <code>signatureId</code> parameter that you provided in the request body. The <code>signatureId</code> parameter in the request body specifies the signature ID associated with the private key in KMS. <br>Example: `1f7f7c0c-3906-4aa1-9dfe-4b67c43918f6` |