How do you get milliseconds for timestamp in Perl?

use Time::Moment;

print "\n[ @{[Time::Moment->now->strftime('%Y-%m-%d %H:%M:%S.%6N')]} ]";

print "@{[Time::Moment->now->strftime('%Y%m%d%H%M%S%6N')]}\n";

#or

my $time = Time::Moment->new;

print $time->now->strftime('%Y%m%d%H%M%S%6N');