I get pinged once a while about something that doesn’t behave properly in Azure Functions, or about a general question about Azure Functions. I usually direct the developers to the right places. But I figured it would be a great idea to put all the answers I give in a post for future reference. Questions I use ILogger<T>, but it is not logging to the console when I deployed to Azure Bret Samblanet answers this well in a GitHub thread: This is another subtlety about how that console/debug log works in the portal. It only displays log messages if it knows they come from this function — which means they match the category Function.{FunctionName}.Class. The vanilla ILogger we pass in…