#Create a simulator object
set ns [new Simulator]

#Open the nam trace file
set nf [open out.nam w]
$ns namtrace-all $nf

#Define a 'finish' procedure
proc finish {} {
        global ns nf
        $ns flush-trace
	#Close the trace file
        close $nf
	#Execute nam on the trace file
        exec nam out.nam &
        exit 0
}


# Insert your own code for topology creation
# and agent definitions, etc. here


#Call the finish procedure after 5 seconds simulation time
$ns at 5.0 "finish"

#Run the simulation
$ns run