The Primary Account Number (PAN) of the cardholder. A PAN is a unique identifier for a payment credit or
debit card and associates the card to a specific account holder.
Parameters:
primaryAccountNumber - The Primary Account Number (PAN) of the cardholder. A PAN is a unique identifier for a payment credit
or debit card and associates the card to a specific account holder.
Returns:
Returns a reference to this object so that method calls can be chained together.