Message Layout Renderer

The formatted log message.

Platforms Supported: All

Configuration Syntax

${message:exceptionSeparator=String:withException=Boolean:raw=Boolean}

Parameters

Layout Options

• exceptionSeparator - String that separates message from the exception.
• withException - Indicates whether to log exception along with message. Boolean
• raw - Render the unformatted input message without using input parameters (Message-Template for structured logging). Boolean

  Introduced with NLog 4.5

Text tranformations

NLog provides several text transformations, that can be useful. Ex:

• Truncate - ${message:truncate=1000}
• Replace Newlines - ${replace-newlines:${message}}
• Replace with RegEx support - ${replace:${message}:searchFor=abc:replaceWith=xyz}