* <<LOGZIO-URL>> - logz.io url, as described [here](https://docs.logz.io/user-guide/accounts/account-region.html#regions-and-urls).
#### Serverless platforms
If you're using a serverless function, you'll need to import and add the LogzioFlusher annotation before your sender function. To do this, in the code sample below, uncomment the `import` statement and the `@LogzioFlusher(logger)` annotation line.
If you're using a serverless function, you'll need to import and add the LogzioFlusher annotation before your sender function. To do this, in the code sample below, uncomment the `import` statement and the `@LogzioFlusher(logger)` annotation line.
**Note:** For the LogzioFlusher to work properly, you'll need to make sure that the Logz.io. handler is added to the root logger. See the configuration above for an example.