Explanation:
Box 1: void
Use void for synchronous execution.
Box 2: RedisPubSubTrigger("RedisConnection", "updates")] string message, ILogger log) RedisConnection", "updates" specifying the app setting key for the connection string and the channel name.
Use Ilogger.
Box 3: log.LogInformation($"Received message: {message}");
log.LogInformation($"Received message: {message}"); } capturing the string message payload, injecting the logger, and logging the details.
Reference:
https://learn.microsoft.com/en-us/azure/azure-functions/functions-bindings-cache