TemplateXSD.xml

<?xml version="1.0" encoding="utf-8" ?>
<xs:schema id="NLog"
           targetNamespace="http://REPLACE_ME"
           elementFormDefault="qualified"
           xmlns:xs="http://www.w3.org/2001/XMLSchema"
           xmlns="http://REPLACE_ME">

  <xs:element name="nlog" type="NLogConfiguration" />

  <xs:complexType name="NLogConfiguration">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="extensions" type="NLogExtensions" />
      <xs:element name="include" type="NLogInclude" />
      <xs:element name="variable" type="NLogVariable" />
      <xs:element name="targets" type="NLogTargets" />
      <xs:element name="rules" type="NLogRules" />
      <xs:element name="time" type="TimeSource" />
    </xs:choice>
    <xs:attribute name="autoReload" type="xs:boolean">
      <xs:annotation>
        <xs:documentation>Watch config file for changes and reload automatically.</xs:documentation>
      </xs:annotation>
    </xs:attribute>
    <xs:attribute name="internalLogToConsole" type="xs:boolean">
      <xs:annotation>
        <xs:documentation>Print internal NLog messages to the console. Default value is: false</xs:documentation>
      </xs:annotation>
    </xs:attribute>
    <xs:attribute name="internalLogToConsoleError" type="xs:boolean">
      <xs:annotation>
        <xs:documentation>Print internal NLog messages to the console error output. Default value is: false</xs:documentation>
      </xs:annotation>
    </xs:attribute>
    <xs:attribute name="internalLogFile" type="xs:string">
      <xs:annotation>
        <xs:documentation>Write internal NLog messages to the specified file.</xs:documentation>
      </xs:annotation>
    </xs:attribute>
    <xs:attribute name="internalLogLevel" type="NLogLevel">
      <xs:annotation>
        <xs:documentation>Log level threshold for internal log messages. Default value is: Info.</xs:documentation>
      </xs:annotation>
    </xs:attribute>
    <xs:attribute name="globalThreshold" type="NLogLevel">
      <xs:annotation>
        <xs:documentation>Global log level threshold for application log messages. Messages below this level won't be logged..</xs:documentation>
      </xs:annotation>
    </xs:attribute>
    <xs:attribute name="throwExceptions" type="xs:boolean">
      <xs:annotation>
        <xs:documentation>Throw an exception when there is an internal error. Default value is: false.</xs:documentation>
      </xs:annotation>
    </xs:attribute>   
    <xs:attribute name="throwConfigExceptions" type="xs:boolean">
      <xs:annotation>
        <xs:documentation>Throw an exception when there is a configuration error. If not set, determined by throwExceptions.</xs:documentation>
      </xs:annotation>
    </xs:attribute>   
    <xs:attribute name="keepVariablesOnReload" type="xs:boolean">
      <xs:annotation>
        <xs:documentation>Gets or sets a value indicating whether Variables should be kept on configuration reload. Default value is: false.</xs:documentation>
      </xs:annotation>
    </xs:attribute>
    <xs:attribute name="internalLogToTrace" type="xs:boolean">
      <xs:annotation>
        <xs:documentation>Write internal NLog messages to the System.Diagnostics.Trace. Default value is: false.</xs:documentation>
      </xs:annotation>
    </xs:attribute>
    <xs:attribute name="internalLogIncludeTimestamp" type="xs:boolean">
      <xs:annotation>
        <xs:documentation>Write timestamps for internal NLog messages. Default value is: true.</xs:documentation>
      </xs:annotation>
    </xs:attribute>  
    <xs:attribute name="useInvariantCulture" type="xs:boolean">
      <xs:annotation>
        <xs:documentation>Use InvariantCulture as default culture instead of CurrentCulture.  Default value is: false.</xs:documentation>
      </xs:annotation>
    </xs:attribute>
    <xs:attribute name="parseMessageTemplates" type="xs:boolean">
      <xs:annotation>
        <xs:documentation>Perform mesage template parsing and formatting of LogEvent messages (true = Always, false = Never, empty = Auto Detect). Default value is: empty.</xs:documentation>
      </xs:annotation>
    </xs:attribute>
  </xs:complexType>

  <xs:complexType name="NLogTargets">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="default-wrapper" type="WrapperTargetBase" />
      <xs:element name="default-target-parameters" type="Target" />
      <xs:element name="target" type="Target" />
      <xs:element name="wrapper-target" type="WrapperTargetBase" />
      <xs:element name="compound-target" type="CompoundTargetBase" />
    </xs:choice>
    <xs:attribute name="async" type="xs:boolean">
      <xs:annotation>
        <xs:documentation>Make all targets within this section asynchronous (creates additional threads but the calling thread isn't blocked by any target writes).</xs:documentation>
      </xs:annotation>
    </xs:attribute>
  </xs:complexType>

  <xs:complexType name="NLogRules">
    <xs:sequence minOccurs="0" maxOccurs="unbounded">
      <xs:element name="logger" type="NLogLoggerRule" />
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="NLogExtensions">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="add" type="NLogExtensionsAdd" />
    </xs:choice>
  </xs:complexType>

  <xs:complexType name="NLogExtensionsAdd">
    <xs:attribute name="prefix" type="xs:string">
      <xs:annotation>
        <xs:documentation>Prefix for targets/layout renderers/filters/conditions loaded from this assembly.</xs:documentation>
      </xs:annotation>
    </xs:attribute>
    <xs:attribute name="assemblyFile" type="xs:string">
      <xs:annotation>
        <xs:documentation>Load NLog extensions from the specified file (*.dll)</xs:documentation>
      </xs:annotation>
    </xs:attribute>
    <xs:attribute name="assembly" type="xs:string">
      <xs:annotation>
        <xs:documentation>Load NLog extensions from the specified assembly. Assembly name should be fully qualified.</xs:documentation>
      </xs:annotation>
    </xs:attribute>
  </xs:complexType>

  <xs:complexType name="NLogLoggerRule">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="filters" type="NLogFilters" />
    </xs:choice>
    <xs:attribute name="name" use="optional">
      <xs:annotation>
        <xs:documentation>Name of the logger. May include '*' character which acts like a wildcard. Allowed forms are: *, Name, *Name, Name* and *Name*</xs:documentation>
      </xs:annotation>
    </xs:attribute>

    <xs:attribute name="levels" type="NLogLevelList">
      <xs:annotation>
        <xs:documentation>Comma separated list of levels that this rule matches.</xs:documentation>
      </xs:annotation>
    </xs:attribute>

    <xs:attribute name="minlevel" type="NLogLevel">
      <xs:annotation>
        <xs:documentation>Minimum level that this rule matches.</xs:documentation>
      </xs:annotation>
    </xs:attribute>

    <xs:attribute name="maxlevel" type="NLogLevel">
      <xs:annotation>
        <xs:documentation>Maximum level that this rule matches.</xs:documentation>
      </xs:annotation>
    </xs:attribute>

    <xs:attribute name="level" type="NLogLevel">
      <xs:annotation>
        <xs:documentation>Level that this rule matches.</xs:documentation>
      </xs:annotation>
    </xs:attribute>

    <xs:attribute name="writeTo" type="NLogTargetIDList">
      <xs:annotation>
        <xs:documentation>Comma separated list of target names.</xs:documentation>
      </xs:annotation>
    </xs:attribute>

    <xs:attribute name="final" type="xs:boolean" default="false">
      <xs:annotation>
        <xs:documentation>Ignore further rules if this one matches.</xs:documentation>
      </xs:annotation>
    </xs:attribute>

    <xs:attribute name="enabled" type="xs:boolean" default="true">
      <xs:annotation>
        <xs:documentation>Enable or disable logging rule. Disabled rules are ignored.</xs:documentation>
      </xs:annotation>
    </xs:attribute>
  </xs:complexType>

  <xs:complexType name="NLogFilters">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <filters-go-here xmlns=""/>
    </xs:choice>
     <xs:attribute name="defaultAction" type="FilterResult">
      <xs:annotation>
        <xs:documentation>Default action if none of the filters match.</xs:documentation>
      </xs:annotation>
    </xs:attribute>
  </xs:complexType>

  <xs:simpleType name="NLogLevel">
    <xs:restriction base="xs:string">
      <xs:enumeration value="Off" />
      <xs:enumeration value="Trace" />
      <xs:enumeration value="Debug" />
      <xs:enumeration value="Info" />
      <xs:enumeration value="Warn" />
      <xs:enumeration value="Error" />
      <xs:enumeration value="Fatal" />
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="LineEndingMode">
    <xs:restriction base="xs:string">
      <xs:enumeration value="Default" />
      <xs:enumeration value="CRLF" />
      <xs:enumeration value="CR" />
      <xs:enumeration value="LF" />
      <xs:enumeration value="None" />
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="NLogLevelList">
    <xs:restriction base="xs:string">
      <xs:pattern value="(|Trace|Debug|Info|Warn|Error|Fatal)(,(Trace|Debug|Info|Warn|Error|Fatal))*" />
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="NLogInclude">
    <xs:attribute name="file" type="SimpleLayoutAttribute" use="required">
      <xs:annotation>
        <xs:documentation>Name of the file to be included. You could use * wildcard. The name is relative to the name of the current config file.</xs:documentation>
      </xs:annotation>
    </xs:attribute>
    <xs:attribute name="ignoreErrors" type="xs:boolean" use="optional" default="false">
      <xs:annotation>
        <xs:documentation>Ignore any errors in the include file.</xs:documentation>
      </xs:annotation>
    </xs:attribute>
  </xs:complexType>

  <xs:complexType name="NLogVariable">
    <xs:attribute name="name" type="xs:string" use="required">
      <xs:annotation>
        <xs:documentation>Variable name.</xs:documentation>
      </xs:annotation>
    </xs:attribute>
    <xs:attribute name="value" type="SimpleLayoutAttribute" use="required">
      <xs:annotation>
        <xs:documentation>Variable value.</xs:documentation>
      </xs:annotation>
    </xs:attribute>
  </xs:complexType>

  <xs:simpleType name="NLogTargetIDList">
    <xs:restriction base="xs:string">
      <xs:pattern value="(|([a-zA-Z][a-zA-Z0-9_\-]*))(,([a-zA-Z][a-zA-Z0-9_\-]*))*" />
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="Target" abstract="true">
  </xs:complexType>

  <xs:complexType name="TargetRef">
    <xs:attribute name="name" type="xs:string" use="required" />
  </xs:complexType>

  <xs:complexType name="WrapperTargetBase" abstract="true">
    <xs:complexContent>
      <xs:extension base="Target">
        <xs:choice minOccurs="0" maxOccurs="unbounded">
          <xs:element name="target" type="Target" minOccurs="1" maxOccurs="1" />
          <xs:element name="wrapper-target" type="WrapperTargetBase" minOccurs="1" maxOccurs="1" />
          <xs:element name="compound-target" type="CompoundTargetBase" minOccurs="1" maxOccurs="1" />
          <xs:element name="target-ref" type="TargetRef" minOccurs="1" maxOccurs="1" />
          <xs:element name="wrapper-target-ref" type="TargetRef" minOccurs="1" maxOccurs="1" />
          <xs:element name="compound-target-ref" type="TargetRef" minOccurs="1" maxOccurs="1" />
        </xs:choice>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>

  <xs:complexType name="CompoundTargetBase" abstract="true">
    <xs:complexContent>
      <xs:extension base="Target">
        <xs:choice minOccurs="0" maxOccurs="unbounded">
          <xs:element name="target" type="Target" minOccurs="1" maxOccurs="unbounded" />
          <xs:element name="wrapper-target" type="WrapperTargetBase" minOccurs="1" maxOccurs="1" />
          <xs:element name="compound-target" type="CompoundTargetBase" minOccurs="1" maxOccurs="1" />
          <xs:element name="target-ref" type="TargetRef" minOccurs="1" maxOccurs="1" />
          <xs:element name="wrapper-target-ref" type="TargetRef" minOccurs="1" maxOccurs="1" />
          <xs:element name="compound-target-ref" type="TargetRef" minOccurs="1" maxOccurs="1" />
        </xs:choice>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>

  <xs:complexType name="Filter" abstract="true">
  </xs:complexType>

  <xs:complexType name="TimeSource" abstract="true">
  </xs:complexType>

  <xs:simpleType name="SimpleLayoutAttribute">
    <xs:restriction base="xs:string">
      <xs:pattern value=".*" />
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="Condition">
    <xs:restriction base="xs:string">
      <xs:minLength value="1" />
    </xs:restriction>
  </xs:simpleType>

  <types-go-here xmlns=""/>
</xs:schema>