diff --git a/nservicebus/hosting/azure-functions-service-bus/analyzers.md b/nservicebus/hosting/azure-functions-service-bus/analyzers.md
index 849f1e9e621..cd00c9da440 100644
--- a/nservicebus/hosting/azure-functions-service-bus/analyzers.md
+++ b/nservicebus/hosting/azure-functions-service-bus/analyzers.md
@@ -52,6 +52,12 @@ Starting in version 4.2, the Azure Functions host package comes with [Roslyn ana
 * **Severity**:Error
 * **Example message**: The NServiceBus endpoint address in Azure Functions is determined by the ServiceBusTrigger attribute.
 
+### Default logging with LogDiagnostics will log to the built-in Azure Functions logs
+
+* **Rule ID**: NSBWFUNC018
+* **Severity**: Information
+* **Example message**: In Azure Functions, console output to the built-in logs is not persisted and may result in the loss of the diagnostic information. Consider using 'AdvancedConfiguration.CustomDiagnosticsWriter' for more control over diagnostics output.
+
 ## Options API
 
 ### RouteReplyToThisInstance is not supported