@AshKS This is the old way to write log entries in a script. To see examples of the new methods, create a new script container. There are examples placed in each new script you create that you can copy over to your older scripts. Here they are for reference.

#region Usings

using System;
using System.Collections;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Reflection;
using System.Web;
using System.Windows.Forms;
using System.Xml;

using ScriptLogger = Pega.Core.Script.ScriptLogger;

#endregion

public class Script
{
    #region Logging examples

    // ScriptLogger.LogDebug("test");
    // ScriptLogger.LogInformation("test");
    // ScriptLogger.LogWarning("test");
    // ScriptLogger.LogError("test");
    // ScriptLogger.LogException(exception);
    // ScriptLogger.LogException(exception, "test");

    #endregion

}