MSBuild build script to build SSIS project using Microsoft.SqlServer.IntegrationServices.Build.dll I copied this from the below link and modified a little bit to make it work in my environment. msbuild script for building and deploying a SSIS .ispac file(http://pastebin.com/kbj8tRUz)

SSIS.MSBuild.proj

<?xml version="1.0" encoding="Windows-1252"?>
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003" DefaultTargets="SSISBuild;SSISDeploy">
  <!--Requires a property called $(SSISProj) to be defined when this script is called-->
  <UsingTask TaskName="DeploymentFileCompilerTask" AssemblyFile="C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\PrivateAssemblies\Microsoft.SqlServer.IntegrationServices.Build.dll" />
  <Target Name="SSISBuild" Condition="'$(SSISProj)' != ''">
    <PropertyGroup>
      <SSISProjPath>.\$(SSISProj)\$(SSISProj).dtproj</SSISProjPath>
    </PropertyGroup>
    <Message Text="**************Building SSIS project: $(SSISProjPath) for configuration: $(CONFIGURATION)**************" />
    <DeploymentFileCompilerTask InputProject="$(SSISProjPath)" Configuration="$(CONFIGURATION)" ProtectionLevel="DontSaveSensitive">
    </DeploymentFileCompilerTask>
  </Target>
  <UsingTask TaskName="DeployProjectToCatalogTask" AssemblyFile="C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\PrivateAssemblies\Microsoft.SqlServer.IntegrationServices.Build.dll" />
  <Target Name="SSISDeploy" Condition="'$(SSISProj)' != ''">
    <Message Text="**************Publishing SSIS project: $(SSISProj) to: $(SSISServer) to folder: $(PROJECTNAME)**************" />
    <PropertyGroup>
      <ISPac>.\$(SSISProj)\bin\$(CONFIGURATION)\$(SSISProj).ispac</ISPac>
    </PropertyGroup>
    <DeployProjectToCatalogTask DeploymentFile="$(ISPac)" Instance="$(SSISServer)" Folder="$(PROJECTNAME)" CreateFolder="true" />
  </Target>
  <Import Project="C:\MSBuild\.nuget\DeployNugetForDB.targets" />
</Project>

I am trying to understand what and where , parameters needs to be passed, could you help me understanding the above code, an example for this would be very helpful here.