[#BloombergLP-ball-Log_Formatter-2constructor] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/Log_Formatter.adoc[Log_Formatter]::Log_Formatter :relfileprefix: ../../../ :mrdocs: Create a logging formatter that holds (1) the specified `category` and `severity`, (2) a record that is created from the specified `fileName` and `lineNumber`, and (3) a buffer into which the log message is formatted. == Synopsis Declared in `<ball_log.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- Log_Formatter( xref:BloombergLP/ball/Category.adoc[Category] const* category, std::string_view const& fileName, int lineNumber, int severity); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#