---
name: "log4tango::Layout"
section: "3"
platform: "linux"
package: "liblog4tango-doc"
version: "9.3.4+dfsg1-2+deb12u1"
release: "Debian 12 (Bookworm)"
platforms: ["linux"]
url: "https://new.carta.tech/log4tango::Layout"
---

# log4tango::Layout(3)

## NAME

log4tango::Layout

## SYNOPSIS

`#include <Layout.hh>`

Inherited by **log4tango::PatternLayout**, and **log4tango::XMLLayout**.

### Public Member Functions

**Layout** ()\
 Constructor for **Layout**.  virtual **~Layout** ()\
 Destructor for **Layout**.  virtual std::string **format** (const **LoggingEvent** &event)\
 Formats the **LoggingEvent** data to a string that appenders can log.

## Constructor & Destructor Documentation

### log4tango::Layout::Layout ()` [inline]`

Constructor for **Layout**.

### virtual log4tango::Layout::~Layout ()` [inline]`, ` [virtual]`

Destructor for **Layout**.

## Member Function Documentation

### std::string log4tango::Layout::format (const LoggingEvent & event)` [virtual]`

Formats the **LoggingEvent** data to a string that appenders can log. Overload this method to create your own layout format.

**Parameters**

*event* The **LoggingEvent**.

**Returns**

an appendable string.

Reimplemented in **log4tango::PatternLayout**, and **log4tango::XMLLayout**.

## Author

Generated automatically by Doxygen for log4tango from the source code.