How can i make a Child ParticleSystem Emit or not Emit on certain events

Questions & Answers
1

Certain events such as OnCollision Enter Enter, and or OnCollision Exit.

2

Hello Xeong-Hu
You can use this code. inside OnCollision Enter Enter, and or OnCollision Exit.

 transform.FindChild ("ChildObjectName").gameObject.particleSystem.Play ();
 transform.FindChild ("ChildObjectName").gameObject.particleSystem.Stop ();