**Item mapping** is a crucial and mandatory step in the process of creating E-Invoices. It involves the systematic organization and categorization of products business offers, ensuring that each item is accurately defined and uploaded before invoicing.
To facilitate this process effectively, the item master must include essential attributes such as:
1. **GTIN (Global Trade Item Number)**
2. **Item Name**
3. **Item Description**
4. **Internal SKU (Stock Keeping Unit)**
5. **ATP (Available to Promise)**
6. **Unit Price**
Follow below steps to upload Item Master:
Once logged in Click on Settings.