| methodName | The name of the MonoBehaviour method to call. |
| value | An optional parameter value to pass to the called method. |
| options | Whether an error should be raised if the method doesn't exist on the target object. |
Calls the specified method on every MonoBehaviour attached to the GameObject and on every ancestor of the behaviour.
A value parameter specified for a method that doesn't accept parameters is ignored.
If options is set to SendMessageOptions.RequireReceiver an error is printed when the message is not picked up by any component.
Note: Messages are not sent to MonoBehaviours attached to objects for which GameObject.activeSelf or GameObject.activeInHierarchy are false.
using UnityEngine;
public class Example : MonoBehaviour { void Start() { // Calls the function ApplyDamage with a value of 5 gameObject.SendMessageUpwards("ApplyDamage", 5.0); } }
public class Example2 : MonoBehaviour { public void ApplyDamage(float damage) { print(damage); } }
Additional resources: MonoBehaviour, GameObject.SendMessage