[MadeMan]

Yes it is.

Make new variables to save vehicleids.

pawn Код:

new Car1;
new Car2;
new Car3;

Where you create these cars with AddStaticVehicle or CreateVehicle (usually under OnGameModeInit), save the ids.

pawn Код:

Car1 = AddStaticVehicle(....
Car2 = AddStaticVehicle(....
Car3 = AddStaticVehicle(....

Make the command under OnPlayerCommandText.

pawn Код:

if(strcmp(cmdtext, "/respawn", true) == 0)
{
    SetVehicleToRespawn(Car1);
    SetVehicleToRespawn(Car2);
    SetVehicleToRespawn(Car3);
    return 1;
}