Modify the settings for the cash payment method.
Go to Settings.
Select the Payment Methods tab.
Scroll down to Cash and press the edit icon to the right.
Adjust the settings to your preference.
Scroll down and press Save Changes.
CASH PAYMENT METHOD OPTIONS
METHOD NAME: Name of the payment method
METHOD STATUS: Disabling this payment method will hide it from the user during the checkout process.
CASH DISCOUNT(%): Give customers a specific discount every time they pay with cash.
XERO ACCOUNT (FIELD): Enter in XERO account number.