Update events.mdx

Author: sahilsuman933

fern/server-url/events.mdx

@@ -143,7 +143,7 @@ Respond with either an existing assistant ID, a transient assistant, or transfer
 ```
 
 ```json
-{ "destination": { "type": "number", "phoneNumber": "+11234567890" } }
+{ "destination": { "type": "number", "number": "+11234567890" } }
 ```
 
 #### Transfer only (skip AI)
@@ -154,7 +154,7 @@ If you want to immediately transfer the call without using an assistant, return
 {
   "destination": {
     "type": "number",
-    "phoneNumber": "+14155552671",
+    "number": "+14155552671",
     "callerId": "{{phoneNumber.number}}",
     "extension": "101",
     "message": "Connecting you to support."
@@ -317,7 +317,7 @@ Respond with a destination and optionally a message:
 
 ```json
 {
-  "destination": { "type": "number", "phoneNumber": "+11234567890" },
+  "destination": { "type": "number", "number": "+11234567890" },
   "message": { "type": "request-start", "message": "Transferring you now" }
 }
 ```