navAgent.Stop

using UnityEngine;
using System.Collections;


public class GuardStateMachine : ByTheTale.StateMachine.MachineBehaviour
{

    public override void AddStates()
    {
        AddState<PatrolState>();
        AddState<IdleState>();
        //AddState<PauseState>();


        SetInitialState<PatrolState>();
    }
}

public class StateGuard : ByTheTale.StateMachine.State
{
    protected NavAgent navAgent;

    public override void Enter()
    {
        navAgent = GetMachine<GuardStateMachine>().GetComponent<NavAgent>();

        // Resets Timer
        navAgent.ResetTimeSinceLastTransition();
    }
}

public class PatrolState : StateGuard
{
    public override void Enter()
    {
        Debug.Log("Entering PatrolState");
        base.Enter();
        
        navAgent.GetPatrol().GetComponent<Renderer>().material.color = Color.green;
    }

    public override void Execute()
    {
        // Checks if the timer is past wait time
        if ((navAgent.GetTimer()) > (navAgent.GetPatrolTime()))
        {
            // Changes to Idle state
            machine.ChangeState<IdleState>();
        }
        //else if (Input.GetKeyDown(KeyCode.Alpha1))
        //{
        //    machine.ChangeState<PauseState>();

        //    navAgent.GetPaused().GetComponent<Renderer>().material.color = Color.grey;
        //}
    }

    public override void Exit()
    {
        Debug.Log("Leaving PatrolState");

        navAgent.GetPatrol().GetComponent<Renderer>().material.color = Color.green;
    }
}

public class IdleState : StateGuard
{
    public override void Enter()
    {
        Debug.Log("Entering IdleState");

        base.Enter();
        navAgent.Stop(true);          // I tried to get them to stop when they enter the IdleState, but it's giving me an error. Same for navAgent.Resume();
        navAgent.GetPatrol().GetComponent<Renderer>().material.color = new Color32(16, 88, 0, 255); //Changes color to Dark Green
    }

    public override void Execute()
    {
        // Checks if the timer is past wait time
        if ((navAgent.GetTimer()) > (navAgent.GetPatrolTime()))
        {
            machine.ChangeState<PatrolState>();
        }
    }

    public override void Exit()
    {
        Debug.Log("Leaving IdleState");
        navAgent.Resume();            
        navAgent.GetPatrol().GetComponent<Renderer>().material.color = Color.green;
    }
}