Activate Text Elements
You activate the text elements of a window from within theprint program by setting the parameter FUNCTION when calling the function module WRITE_FORM. FUNCTION may have the following values:
Replace all active text elements of the window by the current one (default).
Append the current text element to the active text elements.
Delete the current text element from the list of active text elements.
Active text elements are all text elements the system already output to the window when the current page is called.
In the main window, the value APPEND within the BODY area equals the value SET. The value DELETE has no effect in this context. In the areas TOP and BOTTOM, the values act as described above.