diff --git a/hls.js/adCreativeSignalingPlugin.js b/hls.js/adCreativeSignalingPlugin.js
index 6384f47..97c9604 100644
--- a/hls.js/adCreativeSignalingPlugin.js
+++ b/hls.js/adCreativeSignalingPlugin.js
@@ -1,5 +1,3 @@
-const SUPPORTED_TRACKING_EVENTS = ["start", "firstQuartile", "midpoint", "thirdQuartile", "complete", "progress", "impression"];
-
 class AdSignalingManager {
   constructor(hls) {
     console.log("Initializing AdSignalingManager");
@@ -39,14 +37,12 @@ class AdSignalingManager {
     const currentTime = this.assetPlayer.currentTime;
 
     this.trackingEventsQueue.forEach((event, index) => {
-      if (SUPPORTED_TRACKING_EVENTS.includes(event.type)) {
-        const tolerance = 0.75; // time difference tolerance in seconds
-        if (
-          (event?.offset === undefined || (Math.abs(currentTime - event.offset) <= tolerance))
-        ) {
-          Promise.all(event.urls.map((url) => this.sendTrackingEvent(url)));
-          this.trackingEventsQueue.splice(index, 1);
-        }
+      const tolerance = 0.75; // time difference tolerance in seconds
+      if (
+        ((Math.abs(currentTime - event.start) <= tolerance) || event?.start === undefined)
+      ) {
+        Promise.all(event.urls.map((url) => this.sendTrackingEvent(url)));
+        this.trackingEventsQueue.splice(index, 1);
       }
     });
   };
diff --git a/public/hls.js/adCreativeSignalingPlugin.js b/public/hls.js/adCreativeSignalingPlugin.js
index 6384f47..97c9604 100644
--- a/public/hls.js/adCreativeSignalingPlugin.js
+++ b/public/hls.js/adCreativeSignalingPlugin.js
@@ -1,5 +1,3 @@
-const SUPPORTED_TRACKING_EVENTS = ["start", "firstQuartile", "midpoint", "thirdQuartile", "complete", "progress", "impression"];
-
 class AdSignalingManager {
   constructor(hls) {
     console.log("Initializing AdSignalingManager");
@@ -39,14 +37,12 @@ class AdSignalingManager {
     const currentTime = this.assetPlayer.currentTime;
 
     this.trackingEventsQueue.forEach((event, index) => {
-      if (SUPPORTED_TRACKING_EVENTS.includes(event.type)) {
-        const tolerance = 0.75; // time difference tolerance in seconds
-        if (
-          (event?.offset === undefined || (Math.abs(currentTime - event.offset) <= tolerance))
-        ) {
-          Promise.all(event.urls.map((url) => this.sendTrackingEvent(url)));
-          this.trackingEventsQueue.splice(index, 1);
-        }
+      const tolerance = 0.75; // time difference tolerance in seconds
+      if (
+        ((Math.abs(currentTime - event.start) <= tolerance) || event?.start === undefined)
+      ) {
+        Promise.all(event.urls.map((url) => this.sendTrackingEvent(url)));
+        this.trackingEventsQueue.splice(index, 1);
       }
     });
   };
diff --git a/src/trackingEvents/tracking-events.js b/src/trackingEvents/tracking-events.js
index 5510263..b030629 100644
--- a/src/trackingEvents/tracking-events.js
+++ b/src/trackingEvents/tracking-events.js
@@ -1,85 +1,87 @@
 const { logger } = require("../utils/logger.js");
 
 const IMPRESSION = "impression";
-const PROGRESS = "progress";
 
 class TrackingEvent {
   constructor(type, duration, urls) {
-    // console.log(">>>TRACKING EVT: ", type)
+   // console.log(">>>TRACKING EVT: ", type)
     this.type = type;
     //this.duration = duration;
     this.urls = urls;
     //this.start = start;
 
-    if (this.type.startsWith(PROGRESS)) {
+    if (this.type.startsWith("progress")) {
+    
       const offsetValue = this.type.split("-")[1];
       if (offsetValue !== null) {
-        this.offset =
+        this.offset = 
           typeof offsetValue === "string" && offsetValue.includes("%")
-            ? (duration * parseFloat(offsetValue.replace("%", ""))) / 100
-            : parseFloat(offsetValue);
+          ? (duration * parseFloat(offsetValue.replace("%", ""))) / 100
+          : parseFloat(offsetValue);
+        
+        this.type = "progress";
 
-        this.type = PROGRESS;
-
-        if (
-          isNaN(this.offset) ||
-          this.offset < 0 ||
-          this.offset > this.duration
-        ) {
-          throw new Error(`Invalid start value: ${offset}`);
+        if (isNaN(this.offset) || this.offset < 0 || this.offset > this.duration) {
+            throw new Error(`Invalid start value: ${offset}`);
         }
       }
-    } else {
-      switch (type) {
-      case "start":
-        this.offset = 0;
-        break;
-
-      case "firstQuartile":
-        this.offset = duration * 0.25;
-        break;
-
-      case "midpoint":
-        this.offset = duration * 0.5;
-        break;
-
-      case "thirdQuartile":
-        this.offset = duration * 0.75;
+    }
+    else
+    {
+      switch(type)
+      {
+        case "start":
+          this.offset = 0;
+          break;
+          
+        case "firstQuartile":
+          this.offset = duration * 0.25;
+          break;
+
+        case "midpoint":
+          this.offset = duration * 0.5;
+          break;
+
+        case "thirdQuartile":
+          this.offset = duration * 0.75;
+          break;
+
+        case "complete":
+          this.offset = duration;
         break;
 
-      case "complete":
-        this.offset = duration;
-        break;
       }
     }
+    
+    
   }
 }
 
+
+
 class AdCreativeSignalingMapper {
   constructor(ad) {
     this.ad = ad;
     console.log(">>>> Ad Tracking", this.ad.trackingEvents);
   }
-
+  
   map() {
     const newTrackingEvents = this.ad.trackingEvents;
-
-    if (this.ad?.impressions.length > 0)
-      newTrackingEvents[IMPRESSION] = this.ad.impressions.map(
-        (impression) => impression.url
-      );
+    
+    if(this.ad?.impressions.length > 0)
+      newTrackingEvents[IMPRESSION] = this.ad.impressions.map((impression) => impression.url);
 
     const trackingEvents = Object.entries(this.ad.trackingEvents)
       .map(([eventType, urls]) => {
         try {
-          const event = new TrackingEvent(eventType, this.ad.duration, urls);
+          const event = new TrackingEvent( eventType, this.ad.duration, urls );
           //console.log(">>> track evt: ", event)
           return event;
         } catch (error) {
           logger.warn(
             `Skipping invalid event: ${eventType}, Error: ${error.message}`
           );
-
+        
           return null;
         }
       })
@@ -91,5 +93,5 @@ class AdCreativeSignalingMapper {
 
 module.exports = {
   AdCreativeSignalingMapper,
-  TrackingEvent,
+  TrackingEvent
 };