Choose the setting parameter you want to request and add the following lines to the GDL script of your object:
!##############################################
!### language
sts = LIBRARYGLOBAL("OpenLibraryGlobals", "ef_language", language)
IF sts>0 THEN
TEXT2 0, 0, language
ELSE
PRINT "OpenLibraryGlobals settings are not available."
ENDIF