Update

Assets/Invector-3rdPersonController/ItemManager/Scripts/vItemCollectionTextHUD.cs

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+using System.Collections;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace Invector.vItemManager
+{
+    [vClassHeader("Item Collection HUD", helpBoxText = "Contains all behaviour to show messages sended")]
+    public class vItemCollectionTextHUD : MonoBehaviour
+    {
+        public Text Message;
+        /// <summary>
+        /// Show a Message on the HUD
+        /// </summary>
+        /// <param name="message">message to show</param>
+        /// <param name="timeToStay">time to stay showing</param>
+        /// <param name="timeToFadeOut">time to fade out</param>
+        public void Show(string message, float timeToStay = 1, float timeToFadeOut = 1)
+        {
+            Message.text = message;
+            StartCoroutine(Timer(timeToStay, timeToFadeOut));
+        }
+
+        IEnumerator Timer(float timeToStay = 1, float timeToFadeOut = 1)
+        {
+            Message.CrossFadeAlpha(1, 0.5f, false);
+
+            yield return new WaitForSeconds(timeToStay);
+            Message.CrossFadeAlpha(0, timeToFadeOut, false);
+
+            yield return new WaitForSeconds(timeToFadeOut + 0.1f);
+            Destroy(gameObject);
+        }
+
+        private void Awake()
+        {
+            Clear();
+        }
+
+        /// <summary>
+        /// Clear message text display
+        /// </summary>
+        /// 
+        public void Clear()
+        {
+            Message.text = "";
+            Message.CrossFadeAlpha(0, 0, false);
+        }
+    }
+}