You can use system symbols in all kinds of text. SAPscript supplies the values for system symbols. The names of the system symbols are fixed.
Current Date
Current Day Number
Current Month Number
Current Year Number
Local Date (Currently Only for Japan)
Current Day Name (Long Form)
Current Month Name (Long Form)
Current Time
Hours Component of Current Time
Minute Components of Current Time
Seconds Component of Current Time
Current Page Number
Page Number of Next Page
Selected Device Type
Spaces
Underline
Vertical Line