base.StringBuffer.toString
Create a STRING from
the string buffer.
Syntax
toString()
  RETURNS STRING Usage
The toString() method
creates a    STRING 
  value from the current string buffer.
Use this method if
you need to pass the string to another method or    instruction that
expects a STRING as parameter.
Example
MAIN
   DEFINE buf base.StringBuffer
   LET buf = base.StringBuffer.create()
   CALL buf.append("abc")
   DISPLAY buf.toString()
END MAIN
Output:
abc