Someone

// On Player Command Text

if(strcmp(cmd, "/pd", true)==0)
{
if(Police[playerid] == 1)
{
SetPlayerCheckpoint(playerid,1480.6757,-1767.5601,18.7958);
	GameTextForPlayer(playerid, "~w~Waypoint set ~r~Police Department", 5000, 1);
gPlayerCheckpointStatus[playerid] = CHECKPOINT_PD;
return 1;
}
else
{
SendClientMessage(playerid, COLOR_RED, "You are not logged in as police");
return 1;
}

// On Player Enter Checkpoint

		    }
  		case CHECKPOINT_PD:
		    {
				PlayerPlaySound(playerid, 1058, 0.0, 0.0, 0.0);
				DisablePlayerCheckpoint(playerid);
				gPlayerCheckpointStatus[playerid] = CHECKPOINT_NONE;
				GameTextForPlayer(playerid, "~w~GPS:~n~~y~Destination Reached", 5000, 1);
	        }