To install Net::Async::Slack::Event::MessageMpim, simply copy and paste either of the commands in to your terminal
cpanm
cpanm Net::Async::Slack::Event::MessageMpim
CPAN shell
perl -MCPAN -e shell
install Net::Async::Slack::Event::MessageMpim
For more information on module installation please visit the detailed CPAN module installation guide.