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# InvoiceItem

> Use the InvoiceItem object to manage charges in an Invoice object.

Use the InvoiceItem object to manage charges in an Invoice object.

An invoice item is an individual line item in an invoice. Invoice items are charges, such as a monthly recurring charge.

## Supported calls

You can use this object with the following call:

* query()
* update(): Only custom fields on posted invoices are updatable.

## Walkthroughs and use cases

Here are some common ways to use this object:

* Apply a discount to an invoice item
* Change the taxes for an invoice item

You don't typically use this object itself to perform actions. Instead, you use this object with another object, such as the InvoiceItemAdjustment object.

> Use the InvoiceItem object to manage charges in an Invoice object.

## Docs

- [Field descriptions of InvoiceItem](https://zuora.ferndocs.com/docs/platform/integration/apis/soap-api/soap-api-object-reference/invoiceitem/field-descriptions.md): This reference provides the description of the fields of the InvoiceItem object.
- [Additional field details of InvoiceItem](https://zuora.ferndocs.com/docs/platform/integration/apis/soap-api/soap-api-object-reference/invoiceitem/additional-field-details.md): Additional details of the fields of the InvoiceItem object.