When an employee's salary changes, you can easily add a new salary configuration to the employee's payroll to reflect any changes made.
Under an employee's payroll tab, click on Salary Configuration to add a new salary
Select the month upon which the new salary will take effect
Fill in the Basic Salary and add any allowances as needed and save
You will be directed to the Salary Configuration tab to view the current and upcoming salaries configured for this employee. You can make edits and delete as needed.