# Mutation: Patch Invoice
Update specific fields of an invoice, like `title`.
See [Variables](/hc/en-us/articles/360024906591) for how to pass in `String` data as arguments.
See [Errors](/hc/en-us/articles/360018571372) for additional information about error cases.
See [API Reference](/hc/en-us/articles/360019968212#invoicepatchinput) for more information about the acceptable input
Replace `<INVOICE_ID>` with a real invoice id.
Operation:
```graphql mutation ($input: InvoicePatchInput!) { invoicePatch(input: $input) { didSucceed invoice { id invoiceNumber } inputErrors { message path code } } } ```
Operation Variables
```graphql { "input": { "id": "<INVOICE_ID>", "title": "a new awesome title" } } ```