use XML::Simple;
use Data::Dumper;

my $xml = XMLin(\*DATA);
print Dumper $xml;

__DATA__
<ObjectType>
   <AppObject>hello</AppObject>
   <AppObjectField>gender</AppObjectField>
   <valueTargetPair value="MALE" targetPo="Incoming 1" />
   <valueTargetPair value="FEMALE" targetPo="Incoming 2" />
</ObjectType>