This is Perl module WWW::Google::Cloud::Messaging. INSTALLATION WWW::Google::Cloud::Messaging installation is straightforward. If your CPAN shell is set up, you should just be able to do % cpan WWW::Google::Cloud::Messaging or % cpanm WWW::Google::Cloud::Messaging Download it, unpack it, then build it as per the usual: % perl Makefile.PL % make && make test Then install it: % make install DOCUMENTATION WWW::Google::Cloud::Messaging documentation is available as in POD. So you can do: % perldoc WWW::Google::Cloud::Messaging to read the documentation online with your favorite pager. xaicron