NLog.Config.XmlLoggingConfiguration.ParseVariableElement C# (CSharp) Method

        private void ParseVariableElement(NLogXmlElement variableElement)
        {
            variableElement.AssertName("variable");

            string name = variableElement.GetRequiredAttribute("name");
            string value = this.ExpandSimpleVariables(variableElement.GetRequiredAttribute("value"));

            this.Variables[name] = value;
        }