You are following Add an Alert to Send Webhook Notifications to send a Webhook notification to a third-party endpoint ticketing system, but the Webhook notification was not sent as expected.
Aria Operations for Logs 8.18.3
There is the following string in the Webhook payload, which is known to cause issues:
"messages": "${messages}",
1. Delete the following string from the payload:
"messages": "${messages}",
2. Make sure the following string is there instead of the above:
"messagesString": "${messagesString}",