fix(tem): review jj 2

Co-authored-by: jerjako <[email protected]>

Author: ldecarvalho-doc

managed-services/transactional-email/api-cli/webhook-events-payloads.mdx

@@ -77,6 +77,7 @@ Webhooks may trigger different [types of events](/managed-services/transactional
   "domain_id": UUID,
   "domain_name": string,
   "created_at": time,
+  "email_sent_at": time,
   "email_id": UUID,
   "email_from": string,
   "email_to": string,
@@ -107,7 +108,7 @@ Webhooks may trigger different [types of events](/managed-services/transactional
   "email_to": string,
   "email_headers": [
     {
-      "name": string,
+      "key": string,
       "value": string
     }
   ],
@@ -131,7 +132,7 @@ Webhooks may trigger different [types of events](/managed-services/transactional
   "email_to": string,
   "email_headers": [
     {
-      "name": string,
+      "key": string,
       "value": string
     }
   ],
@@ -155,7 +156,7 @@ Webhooks may trigger different [types of events](/managed-services/transactional
   "email_to": string,
   "email_headers": [
     {
-      "name": string,
+      "key": string,
       "value": string
     }
   ],
@@ -185,7 +186,7 @@ Webhooks may trigger different [types of events](/managed-services/transactional
   ],
   "email_error": string,
   "email_next_try": time,
-  "email_try_count": integer,
+  "email_try_count": int,
   "email_response_code": int,
   "email_response_message": string
 }