This tab shows a summary of the callback requests ZAP has received. For each callback you can see:
|The Timestamp of the received request.
|The Method associated with the request (GET, POST, etc.)
|The Handler - The ZAP component which caught or responded to the callback request.
|The referer (if one was included in the request, Ex: the URL on which the payload was encountered).
|for an overview of the user interface