This module contains functions related to managing the cashier’s operational period. It includes the Login, Open Shift, Close Shift, and End of Day processes. These functions ensure that each cashier session is properly started, monitored, and finalized, allowing accurate tracking of transactions and cash balances throughout the day. 

This module contains commonly used features during transactions. It includes Customer Information, where the cashier can enter customer details such as the customer’s name and citizenship type (e.g., PWD or Senior Citizen) for applicable discounts. It also includes functions for searching items, adjusting item quantities, and removing items from the transaction list. 

This module handles transaction adjustments and promotional applications. It includes options to add a discount, enter the amount of cash received, select Exact Cash for transactions paid with the exact amount, and remove previously applied discounts when necessary.

This module manages transaction-level operations. It includes functions to Void Transactions, Suspend Transactions, Resume Suspended Transactions, Abort Transactions, and process Sales. These features allow the cashier to manage and control the status of transactions during the checkout process.