## Zoho Billing - Product, solutions, integrations, support, and resources Index

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# How do I add custom fields to invoices?

To add Custom fields to an invoice,

*   Go to _Settings_.
*   Select **Invoices** under _Sales_.
*   Navigate to **Field Customization** and click **\+ New Custom Field**.
*   Enter the _Label Name_ and select _Data Type_.
*   You can choose to make the custom field mandatory and display it on the PDF based on your preferences.
*   Click **Save**.

Learn more about [Custom Fields](/billing/help/settings/preferences/general.html#field-customization).