# PBXProject()

> Creates a new instance of PBXProject class.

## Definition

* **Type:** Constructor
* **Namespace:** [UnityEditor.iOS.Xcode](/engine/6000.5/script-reference/unityeditor/ios/xcode.md)
* **Assembly:** UnityEditor.iOS.Extensions.Xcode

```csharp
public PBXProject()
```

### Examples

```csharp
using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;
using UnityEditor;
using UnityEditor.Callbacks;
using UnityEditor.iOS.Xcode;

public class Sample_PBXProject  
{
    [PostProcessBuild]
    public static void OnPostprocessBuild(BuildTarget buildTarget, string pathToBuiltProject)
    {
        // Stop processing if build target is not iOS
        if (buildTarget != BuildTarget.iOS)
            return;

        // Initialize PBXProject
        string projectPath = PBXProject.GetPBXProjectPath(pathToBuiltProject);
        PBXProject pbxProject = new PBXProject();
        pbxProject.ReadFromFile(projectPath);

        // Perform any modifications you want to the PBXProject

        // Get the target GUID
        string mainTargetGuid = pbxProject.GetUnityMainTargetGuid();

        // Add a new build configuration and add a new property to it
        string configName = "exampleConfig";
        pbxProject.AddBuildConfig(configName);
        string configGuid = pbxProject.BuildConfigByName(mainTargetGuid, configName);
        pbxProject.AddBuildPropertyForConfig(configGuid, "exampleProperty", "exampleValue");

        // Add a new file to project and to build list
        string filePath = Path.Combine(Application.dataPath, "Resources/InputFile.txt");
        string fileGuid = pbxProject.AddFile(filePath, "Resources/InputFile.txt");
        pbxProject.AddFileToBuild(mainTargetGuid, fileGuid);

        // Add frameworks to the project
        pbxProject.AddFrameworkToProject(mainTargetGuid, "CoreBluetooth.framework", false);
        pbxProject.AddFrameworkToProject(mainTargetGuid, "MapKit.framework", true);

        // Apply changes to the pbxproj file
        pbxProject.WriteToFile(projectPath);
    }

}
```