Read about Expressions and how to use them properly and which expressions are used for each one of those report tags {REPORT PAYMENT DETAILS:}
This are some of the expressions you can use within {REPORT PAYMENT DETAILS:}
P.Department Department Name
P.Date Payment Date
P.Time Payment Time
P.User User Name
P.Terminal Terminal Name
P.Type Payment Type
P.Amount Payment Amount
P.TenderedAmount Tendered Amount