MQTT server connection is printed

client/bin/src/main.rs

@@ -572,7 +572,16 @@ fn main_function(parameter1: String, parameter2: Option<String>) -> ExitCode {
 
         // Make the connection to the broker
         println!("MQTT | Connecting to the MQTT server...");
-        local_mqtt.connect(conn_opts);
+        let result = local_mqtt.connect(conn_opts);
+
+        match result {
+            Ok(_) => {
+                println!("MQTT | Server connected");
+            },
+            Err(error) => {
+                println!("MQTT | Server connecting {error:?}");
+            },
+        }
 
         // move local instance to global scope
         gmc.set_mqtt_client(Some(local_mqtt));