# Events API > [!NOTE] > For versions 2019/2020 LTS, download the Visual Scripting package from the [Unity Asset Store](https://assetstore.unity.com/packages/tools/visual-bolt-163802). Visual scripting provides a simple API to trigger custom events from C# script. ## Usings Add the following usings to your C# script to access the API. ``` using Unity.VisualScripting; ``` ## Triggering A single method call is needed to trigger a custom event. Pass as many arguments as required. ``` CustomEvent.Trigger(targetGameObject, argument1, argument2, ...) ``` For example, this custom event node: ![](images/vs-events-custom-event-node.png) Can be triggered with this line of code. ``` CustomEvent.Trigger(enemy, "On Damage", 30); ```