SYNOPSIS use Log::ger::Format 'Sprintfn'; use Log::ger; After that: log_debug 'user is %(username)s, details are %(detail)s', {username=>"Foo", detail=>{...}}; To install only for current package: use Log::ger::Format; Log::ger::Format->set_for_current_package('Sprintfn'); use Log::ger; DESCRIPTION SEE ALSO Log::ger Text::sprintfn