Layout(3) User Contributed Perl Documentation Layout(3) NAME Log::Log4perl::Layout - Log4perl Layout Virtual Base Class SYNOPSIS # Not to be used directly, see below DESCRIPTION "Log::Log4perl::Layout" is a virtual base class for the two currently implemented layout types Log::Log4perl::Layout::SimpleLayout Log::Log4perl::Layout::PatternLayout Unless you're implementing a new layout class for Log4perl, you shouldn't use this class directly, but rather refer to Log::Log4perl::Layout::SimpleLayout or Log::Log4perl::Layout::PatternLayout. LICENSE Copyright 2002-2026 by Mike Schilli and Kevin Goess . This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.42.2 2026-08-14 Layout(3)