This is Perl module WebService::WebSequenceDiagrams.

INSTALLATION

WebService::WebSequenceDiagrams installation is straightforward. If your CPAN shell is set up,
you should just be able to do

    % cpan WebService::WebSequenceDiagrams

Download it, unpack it, then build it as per the usual:

    % perl Makefile.PL
    % make && make test

Then install it:

    % make install

DOCUMENTATION

WebService::WebSequenceDiagrams documentation is available as in POD. So you can do:

    % perldoc WebService::WebSequenceDiagrams

to read the documentation online with your favorite pager.

Takeshi Miki