package lejos.mf.common.constants;

public interface UnitMessagePayloadHeaders {
    String Stop = "stop";
    String StopProgram = "stopPrg";
    String MoveAction = "move";
    String FireAction = "fire";
    String GameState = "game";
}

package lejos.mf.common.constants;

public interface UnitMessagePayloadHeaders {
    String Stop = "stop";
    String StopProgram = "stopPrg";
    String MoveAction = "move";
    String FireAction = "fire";
    String GameState = "game";
    String Reset = "reset";
}

Add reset unit message