how to display field value only once in REUSE_ALV_GRID_DISPLAY

hi experts,

i am using REUSE_ALV_GRID_DISPLAY, for alv outpur display.but i want one of the field in output ,not to display the value which is of same, it have to be displayed only once, I mean i have a number which contains multiple line items corresponding, here i want to display the field value only once when it is repeating , for the same header number, how can i achieve it