Writes log messages to the attached managed debugger (Ex. Visual Studio Output Window). See also System.Diagnostics.Debugger.Log

Platforms Supported: All

<targets>
  <target xsi:type="Debugger" name="String" layout="Layout" />
</targets>

Read more about using the Configuration File.

• name - Name of the target.
• layout - Text to be rendered. Layout Required. Default: ${longdate}|${level:uppercase=true}|${logger}|${message:withexception=true}
• header - Layout used to format header-output when initializing.
• footer - Layout used to format footer-output when closing.
• Category - Layout used to format the category. Default: ${logger}

  Introduced with NLog v6.1

• MaxMessageSize - Max message length in characters before applying OnOverflow-action (0 means unlimited) . Default: 0.

  Introduced with NLog v6.1

• OnOverflow - Action to perform when max message size is exceeded. Default: Split

  Introduced with NLog v6.1

  • Truncate - Truncate the message to fit.
  • Split - Split the big message into multiple log messages.
  • Discard - Discard the entire message.

From stackoverflow

<targets>
  <target name="debugger" xsi:type="Debugger" layout="${level}|${message:withException=true}"/>
</targets>

<rules>
  <logger name="*" minlevel="Trace" writeTo="debugger" />
</rules>

Alternative targets for diagnostic output:

• Trace-target for output to System.Diagnostics.Trace
• DebugSystem-target for output to System.Diagnostics.Debug
• OutputDebugString-target for output to OutputDebugString Win32 API