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 Minutes Component of Current Time Seconds Component of Current Time Current Page Number Page Number of the Next Page Selected Device Type Spaces Underline Vertical Line