GlobalEvent.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class GlobalEvent : MonoBehaviour {

    static public event System.Action<float> OnVerticalMoving;

    // Use this for initialization
    void Start () {

    }

    // Update is called once per frame
    void Update () {
        if(Mathf.Abs(Input.GetAxis("Horizontal")) > 0.1f)
        {
            if (OnVerticalMoving != null)
                OnVerticalMoving(Input.GetAxis("Horizontal"));
        }
    }
}