sub myFunction
{
     my ($arg) = @_;
     #blah blah blah, do some stuff.....
}
myFunction($myArg);

##</code><code>##

sub myFunction
{
     my ($arg1, $arg2, ..., $argN) = @_;
     #blah blah blah, do some stuff.....
}
myFunction($myArg);

##</code><code>##

sub myFunction
{
     my $self = shift;
     my ($arg1, $arg2, ..., $argN) = @_;
     #blah blah blah, do some stuff.....
}
myFunction($myArg);

##</code><code>##

sub myFunction
{
     for (@_) {
          ... # lvalue; Note this impacts the passed values!!
     }
}
myFunction($myArg);