Version: 2020.1
  • C#

RuntimeInitializeOnLoadMethodAttribute Constructor

Suggest a change


Thank you for helping us improve the quality of Unity Documentation. Although we cannot accept all submissions, we do read each suggested change from our users and will make updates where applicable.


Submission failed

For some reason your suggested change could not be submitted. Please <a>try again</a> in a few minutes. And thank you for taking the time to help us improve the quality of Unity Documentation.



public RuntimeInitializeOnLoadMethodAttribute();
public RuntimeInitializeOnLoadMethodAttribute(RuntimeInitializeLoadType loadType);


loadType Determine whether methods are called before or after the Scene is loaded.


Creation of the runtime class used when Scenes are loaded.

// Demonstration of RuntimeInitializeOnLoadMethod and the argument it can take.
using UnityEngine;

class MyClass { [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)] static void OnBeforeSceneLoadRuntimeMethod() { Debug.Log("Before first Scene loaded"); }

[RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.AfterSceneLoad)] static void OnAfterSceneLoadRuntimeMethod() { Debug.Log("After first Scene loaded"); }

[RuntimeInitializeOnLoadMethod] static void OnRuntimeMethodLoad() { Debug.Log("RuntimeMethodLoad: After first Scene loaded"); } }

Did you find this page useful? Please give it a rating: