Incremente row in a peek function

[QlikTonic]

sortie:

H everybody,

Someone can help me please ?

i would like to incremente the row number for each row of my data in my peek function

peek(ParkingSortie,-2))as Park

-2 become -3 etc...

how can i do that please ?

LOAD

*,

if(Isnull(ParkingSortie),
peek(ParkingSortie,-2))as Park

RESIDENT SortieTemp;

Many thanks for your help

Chris