Library /sys$common/syshlp/sca$menu.hlb sca__fcs_call_from  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  Click on this button or the Name Entry box to activate this
  selection.  Enter the name of the routine from which you want SCA to
  begin the call graph query.  If you do not specify a routine name for
  the To attribute, SCA displays all calls from this routine.