Legacy Documentation: Version 2018.1 (Go to current version)
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Component.SendMessageUpwards

public void SendMessageUpwards(string methodName, SendMessageOptions options);
public void SendMessageUpwards(string methodName, object value = null, SendMessageOptions options = SendMessageOptions.RequireReceiver);

Parameters

methodNameName of method to call.
valueOptional parameter value for the method.
optionsShould an error be raised if the method does not exist on the target object?

Description

Calls the method named methodName on every MonoBehaviour in this game object and on every ancestor of the behaviour.

The receiving method can choose to ignore the argument by having zero arguments. If the options parameter is set to SendMessageOptions.RequireReceiver an error is printed when the message is not picked up by any component.

Note that messages will not be sent to inactive objects (ie, those that have been deactivated in the editor or with the GameObject.SetActive function).

no example available in C#

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