[LeNy]

try:

pawn Код:

public OnPlayerSpawn(playerid)
{
SetPlayerAttachedObject(playerid, 1, 18864, 10, 0, 0 -10);
return true;
}

OnPlayerDeath and OnPlayerDisconnect:

pawn Код:

RemovePlayerAttachedObject(playerid, 1);

Wiki for help:
-> SetPlayerAttachedObject
-> RemovePlayerAttachedObject