> For the complete documentation index, see [llms.txt](https://premicesoft.gitbook.io/premicesoft/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://premicesoft.gitbook.io/premicesoft/pos-cloud/operations/invoicing.md).

# Invoicing

How to create a transaction? 

There are several methods to create a transaction: using quick buttons, using an optical scanner, searching for a product with the magnifying glass (search function), or using PLU (Price Look-Up) codes. Here are the procedures:

**Adding an item from the quick buttons on the POS Menu:**

* Select the department button.
* Choose the product.

**Adding an item with a scanner:**

* Scan your product.

**Adding an item with the numeric keypad:**

**By Barcode:**

* Enter the barcode on the numeric keypad, e.g., 123456789.
* Click OK.

**By SKU (Stock Keeping Unit):**

* Enter the product number, e.g., 4011.
* Select the PLU button.

**Adding items with quantity:**

**Using a scanner:**

* Enter the quantity on the numeric keypad.
* Scan your item.

**Using quick buttons:**

* Enter the quantity on the numeric keypad.
* In the quick button section, select the department.
* Select the item.

**With an item requiring a price:**

* Enter the quantity on the numeric keypad.
* Select the department.
* Select the item.
* Enter the price.

**Using the numeric keypad:**

* Enter the quantity on the numeric keypad.
* Enter the amount on the numeric keypad.
* Select the department.
* Select the product.