[Ranama]

use

Код:

new Float:x,Float:y,Float:z;
GetPlayerPos(otherid,x,y,z);
if(IsPlayerInRangeOf(playerid, 5.0, x,y,z) != 1) return SendClientMessage(playerid, COLOR_WHITE, "You are not close enought to that player!");

Edit it as yourself wants to
Hope i helped