---
title: "Add line items to a document"
description: "Add saved products, one-off custom lines and section headings to an InvoiceStamp document, then edit, reorder, select and delete them on the items screen."
url: https://docs.invoicestamp.com/documents/add-line-items
last_updated: 2026-10-21
app: InvoiceStamp 1.1.0 for iPhone and Android
---

> InvoiceStamp Help Center: step-by-step guides for the InvoiceStamp app on iPhone and Android.
> Fetch the complete index of help pages at https://docs.invoicestamp.com/llms.txt to find the other pages you need before answering.

# Add line items to a document

Tap **Products & Services** in the editor to open the items screen. **+ Product** adds items from your saved products, **Custom** adds a one-off line, and [**Section**](https://docs.invoicestamp.com/glossary#section) adds a heading that groups the lines under it. Tap any line to change its quantity, unit, price, discount or tax, and touch and hold a line to move it.

## How do I add a saved product?

1. In the editor, tap **Products & Services**. On an empty document, tap **Add product**; once there are items, tap **+ Product**.
2. **Add products** lists your saved products. Search them by name or note, and set how many of each you want with **−** and **+**. To save a new product, tap **New**: once saved, it's already selected.
3. Tap **Add 1 item** at the bottom. The button counts units and shows their total, so 3 hours of one service reads **Add 3 items**.

![The Products & Services screen with No items yet, a Type a custom line button and an Add product button](https://docs.invoicestamp.com/screenshots/items-empty.webp)

![Add products with No products yet and an Add your first product button](https://docs.invoicestamp.com/screenshots/products-picker-empty.webp)

![Add products with Web Design at quantity 1, 1 × 150.00 dollars, and an Add 1 item button showing 150.00 dollars](https://docs.invoicestamp.com/screenshots/products-picker.webp)

Each product brings its unit, note, image and default tax and discount onto the line. **Back** leaves **Add products** without adding anything.

When you open **+ Product** again, the products already on the document show their quantities. Change a quantity to update that line, keeping anything else you edited on it; bring a product back to zero to take its line off. See [Save products and services](https://docs.invoicestamp.com/clients-and-products/save-products).

## How do I add a one-off line?

Tap **Custom**, or **Type a custom line** on an empty document. The line's sheet opens straight away: give it a **Name** and a [**Unit Price**](https://docs.invoicestamp.com/glossary#unit-price), and any other detail you need. A custom line belongs to this document only and isn't added to your saved products.

If you close the sheet without typing anything, the empty line is removed.

## How do I group lines under a heading?

Tap **Section**. A heading row appears with the placeholder **SECTION HEADER…**: type a title, such as *Design* or *Development*, and drag it above the lines it groups. A section has no price and isn't counted as an item. On the PDF, it's printed as a heading between your lines. Tap its trash icon to delete it.

## What can I change on a line?

Tap a line to open its sheet. The top shows the line's total, and the trash icon deletes it.

| Field | What it does |
| --- | --- |
| **Item Image** | A picture of the item, up to 2 MB. It "appears in templates that support item images". |
| **Name** | The line's title on the PDF, such as *Logo Design*. |
| **Description** | Optional details, printed under the name. |
| **Quantity** | Use **−** and **+**, or type it. Decimals work, such as 1.5 hours. |
| [**Unit**](https://docs.invoicestamp.com/glossary#uom) | Piece, Hour, Day, Kilogram and more: see below. |
| **Unit Price** | The price of one unit. |
| **Discount** | Tap **Add Discount** to take something off this line. |
| **Tax (%)** | Tap **Add Tax** to set this line's tax rate. |

**Breakdown** at the bottom shows the line's [subtotal](https://docs.invoicestamp.com/glossary#subtotal), discount and tax. Changing a line only changes this document, not the saved product it came from. For how tax and discounts work, see [Add tax and discounts](https://docs.invoicestamp.com/documents/tax-and-discounts).

## Which units can I use?

The **Unit** list has 25 units: Piece, Unit, Hour, Day, Month, Year, Kilogram, Gram, Tonne, Litre, Millilitre, Metre, Centimetre, Kilometre, Square Metre, Cubic Metre, Box, Pack, Set, Service, Session, Visit, Intervention, Project and Licence.

Under them, **Your units** lists units you've typed on your products, and **Custom…** lets you type your own, up to 32 characters. The PDF prints most units as a short symbol, such as *pc*, *h* or *m²*.

## How do I reorder, select and delete lines?

![The items screen with one line item, Web Design at 156.00 dollars, the hint Long press to select · drag to reorder, and Product, Custom and Section buttons](https://docs.invoicestamp.com/screenshots/items-list.webp)

- **Move a line**: touch and hold it, then drag it up or down.
- **Delete one line**: open it and tap the trash icon. **Item deleted** appears with **Undo**, which puts it back where it was.
- **Delete several**: touch and hold a line without moving it to start selecting, then tap the others. Tap **Delete 2 items** and confirm. This can't be undone, but you can add products again from **+ Product**. Tap **Done** to stop selecting.
- **Delete them all**: tap the trash icon at the top of the screen, then **Clear All**. This can't be undone.

When you're done, tap **Back** to return to the editor.

## Related guides

- [Add tax and discounts](https://docs.invoicestamp.com/documents/tax-and-discounts)
- [Save products and services](https://docs.invoicestamp.com/clients-and-products/save-products)
- [Make your first invoice](https://docs.invoicestamp.com/getting-started/make-your-first-invoice)
