Version: Unity 7.0 Alpha (7000.0)
LanguageEnglish
  • C#

ISystemStartStop

interface in Unity.Entities

Leave feedback
Suggest a change

Success!

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.

Close

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.

Close

Cancel

Description

Optional interface for start/stop notifications on systems.

Public Methods

Method Description
OnStartRunning Called before the first call to OnUpdate and when a system resumes updating after being stopped or disabled.
OnStopRunning Called when this system stops running because no entities match the system's EntityQuery objects or because you change the system SystemState.Enabled property to false.

Is something described here not working as you expect it to? It might be a Known Issue. Please check with the Issue Tracker at issuetracker.unity3d.com.

Copyright ©2005-2026 Unity Technologies. All rights reserved. Built from job ID 77648756. Built on: 2026-10-16.
Tutorials Community Answers Knowledge Base Forums Asset Store Terms of use Legal Privacy Policy Cookies Documentation Terms of Use Do Not Sell or Share My Personal Information