[Shelby]

pawn Код:

new callmechanic=999;
forward CP(playerid);
//--------------------------------------------------------------
if(strcmp(cmd, "/acceptcall", true) == 0)
{
    if(callmechanic==999) return SendClientMessage(playerid, 0xFF0080FF, "No one need your help!");
    SendClientMessage(playerid, 0xFF0080FF, "You accepted the call, you have 40seconds to be there.");
    new iStr[128];
    format(iStr, sizeof(iStr), "%s have accepted your call.");
    SendClientMessage(playerid, 0xFF0080FF, iStr);
    new Float:X, Float:Y, Float:Z;
    GetPlayerPos(callmechanic, X, Y, Z);
    SetPlayerCheckpoint(playerid,X,Y,Z,5.0);
    SetTimerEx("CP", 40000, 0, "i", playerid);
    callmechanic=999;
    return 1;
}
//
if(strcmp(cmd, "/callmechanic", true) == 0)
{
    new iStr[128];
    format(iStr, sizeof(iStr), "%s need a mechanic, use /acceptcall.");
    SendClientMessageToAll(0xFF0080FF, iStr);
    callmechanic = playerid;
    return 1;
}
//--------------------------------------------------------------
public CP(playerid)
{
    DisablePlayerCheckpoint(playerid);
    SendClientMessage(playerid, 0xFF0080FF, "Time ended.");
    return 1;
}

You'll need to change somethings from it.