Are unity objects ID is static in project?

Questions & Answers
1

Hi Guys.
I use “smallObject” for store something from project.

public class checkResource : MonoBehaviour {
    public UnityEngine.Object smallObject;
    public string fileName = "Id.xml";
}

I want to save a snapshot of this gameObject state.
I save public unityengine.object Id to XML:

" <resourceId>9230</resourceId>"

When I need to recover state, I load Id form xml and take object by his ID:

((checkResource)target).smallObject = EditorUtility.InstanceIDToObject(result.resourceId);

Can I’ll be sure, that IDs in project will stay as constant.

Thank you.

2

I figured out.
Id will not be static.

Solution is saving resource paths

resourcePath = UnityEditor.AssetDatabase.GetAssetPath(rObject.GetInstanceID());

And loading it back

rObject = UnityEditor.AssetDatabase.LoadAssetAtPath(resourcePath, typeof(UnityEngine.Object));