# UpdateInvoice

Use this method to update an invoice record.

## Properties

#### Authentication

Authentication values used to connect to the Xero server.

#### Invoice id / number

Unique identifier of the invoice to update.

#### Invoice

Invoice to update.

## Output

#### Invoice

Invoice updated.

## Links

[Xero Developer: Invoices (POST)](https://developer.xero.com/documentation/api/invoices#post)


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# Agent Instructions: Querying This Documentation

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```
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```

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