GCP - Setup a Log Sink Setup Log Sink Using Google Cloud Console Navigate to  "Logging" > "Log Router" > "Create Sink" . Provide a  Sink name  and description. For  Sink destination , select  "Cloud Pub/Sub topic" . Choose an existing topic "cytech-elasticsearch". Under  "Choose logs to include in sink" , use a filter like:  logName:"cloudaudit.googleapis.com" Create Sink.