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Unity Engine

SendMessageUpwards(string, object, SendMessageOptions)

Calls the specified method on every MonoBehaviour attached to the GameObject and on every ancestor of the behaviour.
Read time 1 minuteLast updated 5 days ago

Definition

  • Type: Method
  • Namespace: UnityEngine
  • Assembly: UnityEngine.CoreModule

SendMessageUpwards(string, Object, SendMessageOptions)

public void SendMessageUpwards(string methodName, object value, SendMessageOptions options)

Parameters

methodName

string
The name of the MonoBehaviour method to call.

value

Object
An optional parameter value to pass to the called method.

options

SendMessageOptions
Whether an error should be raised if the method doesn't exist on the target object.

Remarks

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