diff --git a/src/events/events.ts b/src/events/events.ts
index 2a6bd62..69cb827 100644
--- a/src/events/events.ts
+++ b/src/events/events.ts
@@ -34,7 +34,7 @@ export class Events {
 
   public on<T extends keyof EventPayloadReturnObject>(
     eventType: T,
-    eventHandler: (payload: EventPayloadReturnObject[T]) => void,
+    eventHandler: (data: EventPayloadReturnObject[T]) => void,
   ) {
     if (!this.events[eventType]) {
       this.events[eventType] = []
@@ -45,14 +45,14 @@ export class Events {
 
   public emit<T extends keyof EventPayloadReturnObject>(
     eventType: T,
-    payload: EventPayloadReturnObject[T],
+    data: EventPayloadReturnObject[T],
   ) {
     if (!this.events[eventType]) {
       return
     }
 
     this.events[eventType]?.forEach((eventHandler) => {
-      eventHandler(payload)
+      eventHandler(data)
     })
   }
 }
diff --git a/src/iframes/listener.ts b/src/iframes/listener.ts
index 4299a0a..feb325c 100644
--- a/src/iframes/listener.ts
+++ b/src/iframes/listener.ts
@@ -60,6 +60,7 @@ export function listener() {
       if (event.origin !== 'https://develop.d3krxmg1839vaa.amplifyapp.com')
         return
       const { eventType, data } = event.data
+
       const parentNode = document.querySelector(`#${data?.field}`)
 
       if (!parentNode) {
diff --git a/src/iframes/submit.ts b/src/iframes/submit.ts
index a3f056f..dff8159 100644
--- a/src/iframes/submit.ts
+++ b/src/iframes/submit.ts
@@ -6,7 +6,7 @@ export function submit(configurations: MalgaConfigurations) {
   const iframeCardNumber = document.querySelector(
     'iframe[name=card-number]',
   ) as HTMLIFrameElement
-
+  console.log('entrou aqui no submit')
   if (!iframeCardNumber || !iframeCardNumber.contentWindow) {
     console.error(
       'iframeCardNumber is null or has no contentWindow, cannot send postMessage',
@@ -18,6 +18,7 @@ export function submit(configurations: MalgaConfigurations) {
     iframeCardNumber.contentWindow!,
     '*',
   )
+  console.log({ iframePostMessage })
 
   iframePostMessage.send(Event.Submit, {
     authorizationData: {
diff --git a/src/tokenization.ts b/src/tokenization.ts
index 98e82c0..8cf0960 100644
--- a/src/tokenization.ts
+++ b/src/tokenization.ts
@@ -1,4 +1,8 @@
-import type { EventTypeReturn, MalgaConfigurations } from 'src/interfaces'
+import type {
+  EventPayloadReturnObject,
+  EventTypeReturn,
+  MalgaConfigurations,
+} from 'src/interfaces'
 
 import { Tokenize } from './tokenize'
 import { Events } from './events'
@@ -27,7 +31,27 @@ export class MalgaTokenization {
     return tokenize.handle()
   }
 
-  public on(eventType: EventTypeReturn, eventHandler: (event: any) => void) {
+  /**
+   * Configures the event provider and registers an event handler for the specified event type.
+   *
+   * This method allows you to react the specifics events emitted by the MalgaTokenization component.
+   *
+   * @param eventType - The type of event to be watched. Possible values are:
+   * - 'validity': Triggered when the validity of the field data is changed (valid/invalid).
+   * - 'cardTypeChanged': Triggered when the card type is detected or changed.
+   * - 'focus': Triggered when a input field receives focus.
+   * - 'blur': Triggered when a input field loses focus.
+   * @param eventHandler - The event handler function.
+   * @returns {void}
+   */
+
+  public on<T extends EventTypeReturn>(
+    eventType: T,
+    eventHandler: (data: EventPayloadReturnObject[T]) => void,
+  ) {
     return eventsEmitter.on(eventType, eventHandler)
   }
+  // public on(eventType: EventTypeReturn, eventHandler: (event: any) => void) {
+  //   return eventsEmitter.on(eventType, eventHandler)
+  // }
 }