[Threshold]

At the top of your script:

pawn Код:

new age[MAX_PLAYERS];

When they click the right arrow:

pawn Код:

if(age[playerid] < MAX_AGE) age[playerid]++;

When they click the left arrow:

pawn Код:

if(age[playerid] > 1) age[playerid]--;

When they click 'ok', their age is stored in the 'age[playerid]' variable.