... I was able to have a dynamic header in xbrowse based on the active year : J_2019, J_2018, J_2017,... (So this works) oBrw[1]:cHeaders := { 'Code','Naam','Gemeente','Dat_LST','J_'+str(year(date()),4),'J_'+str(year(date())-1,4),'J_'+str(year(date())-2,4),'J_'+str(year(date())-3,4),'J_'+str(year(date())-4,4),'Totaal' ...