> ## Documentation Index
> Fetch the complete documentation index at: https://docs.spaceport.xyz/llms.txt
> Use this file to discover all available pages before exploring further.

# Interface: CreateInvoicesParams

[index](.././index).CreateInvoicesParams

Parameters for creating invoices (matches backend CreateInvoicesParams)

## Table of contents

### Properties

* [coreProductId](#coreproductid)
* [digitalAssetId](#digitalassetid)
* [period](#period)
* [royaltyRegistrationSignature](#royaltyregistrationsignature)

## Properties

### coreProductId

• **coreProductId**: `number`

### digitalAssetId

• **digitalAssetId**: `number`

### period

• **period**: `Object`

#### Type declaration

| Name            | Type     |
| :-------------- | :------- |
| `startDate`     | `string` |
| `endDate`       | `string` |
| `royaltyAmount` | `number` |

### royaltyRegistrationSignature

• **royaltyRegistrationSignature**: \`0x\$\{string}\`