# BILL - Add line to invoice action
The Add line to invoice action adds a line item to an existing invoice in BILL.
# Input
| Field | Description |
|---|---|
| Invoice ID | Provide the internal ID of the invoice to update. |
| Item ID | Provide the internal ID of the item associated with the invoice. |
| Description | Enter a description for the invoice. |
| Quantity | Enter the quantity of items sold or the number of hours spent providing the service. |
| Price | Enter the price per item or hour. |
| Taxable | Specify whether the line item is taxable or not. |
# Output
| Field | Description |
|---|---|
| ID | The ID of the modified invoice. |
| Is active | The status of the invoice. |
| Customer ID | The ID of the customer account associated with the invoice. |
| Customer | An object that contains information about the customer account associated with the invoice, such as its ID, Name, Account type, and Parent customer ID. |
| Job ID | The ID of the job associated with the invoice. |
| Invoice number | The user-generated number assigned to the invoice. |
| Invoice date | The invoice creation date. |
| Due date | The invoice due date. |
| Created time | The date and time when the invoice was created. |
| Updated time | The date and time when the invoice was last updated. |
| Amount | The total cost of all items in the invoice. |
| Amount due | The outstanding balance owed by the customer. |
| Payment status | The payment status of the invoice. |
| Description | Provides a description of the invoice. |
| PO number | The purchase order number associated with the invoice. |
| Is to be printed | Indicates whether bill.com (opens new window) prints and mails the invoice to the customer. |
| Is to be emailed | Indicates whether bill.com (opens new window) emails the invoice to the customer. |
| Item sales tax | The ID of the sales tax applied to all taxable items in the invoice. |
| Sales tax percentage | The sales tax percentage applied to all taxable items in the invoice. |
| Sales tax total | The total amount of sales tax applied to the invoice. |
| Department ID | The ID of the department associated with the invoice. |
| Pay to bank account ID | The ID of the bank account receiving the invoice payment. |
| Pay to chart of account ID | The ID of the chart of accounts receiving the invoice payment. |
| Invoice line items | A datatree that contains information about invoice line items, such as their ID, Invoice ID, Item ID, and Description. |
Last updated: 5/21/2025, 5:22:32 AM