diff --git a/hello.go b/hello.go
index 1795ac8..44fe76e 100644
--- a/hello.go
+++ b/hello.go
@@ -1,7 +1,18 @@
 package main
 
-import "fmt"
+import (
+	"flag"
+	"fmt"
+)
 
 func main() {
-	fmt.Println("Hello, Björn!")
+	//fmt.Println("Hello, Björn!")
+	var argName string
+
+	// flags declaration using flag package
+	flag.StringVar(&argName, "n", "Bruno", "Benutzernamen angeben. Default ist Bruno")
+
+	flag.Parse() // after declaring flags we need to call it
+
+	fmt.Println("Hallo " + argName + " !")
 }