PBXProject.TargetGuidByName

Возвращает GUID основной цели с указанным именем.

Примечание: Для получения GUID для a Unity генерируемый целевой показатель, использование GetUnityMainTargetGuid или GetUnityFrameworkTargetGuid

using UnityEditor;
using System.IO;
using UnityEditor.Callbacks;
using UnityEditor.iOS.Xcode;

public class Sample_TargetGuidByName  
{
    [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);

        // Get GUID for the UnityFramework using it's name 
        string unityFrameworkGuid = pbxProject.TargetGuidByName("UnityFramework");

        // The unityFrameworkGuid can be later used to specify UnityFramework as the target when manipulating the pbxproj file
        pbxProject.AddFrameworkToProject(unityFrameworkGuid, "Security.framework", false);
        pbxProject.SetBuildProperty(unityFrameworkGuid, "ENABLE_BITCODE", "NO");

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