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48 lines
2.6 KiB
Markdown
# Add a Custom Event node
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You can add a Custom Event node to a Script Graph to trigger specific logic after an Event occurs. For more information about custom Events, see [Custom Events](vs-custom-events.md).
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> [!NOTE]
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> To use a Custom Event node, you must configure the node with the following instructions, then add a Custom Event Trigger node to your graph. For more information on how to add a Custom Event Trigger node, see [Add a Custom Event Trigger node](vs-add-custom-event-node-trigger.md)
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To add a Custom Event node to a Script Graph:
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1. [Open the Script Graph](vs-open-graph-edit.md) where you want to add a Custom Event node.
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2. [!include[open-fuzzy-finder](./snippets/vs-open-fuzzy-finder.md)].
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3. Go to **Events**.
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4. Select the **Custom Event** node to add it to your graph.
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5. In the **GameObject** field, indicated by the GameObject icon on the node, choose the GameObject where you want to create the Event. Do one of the following:
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- Select the object picker (circle icon), and select a GameObject.
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- Attach a node to the field's data input port that outputs a GameObject.
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- Leave the field as the default value of **This** to use the GameObject where you attached your Script Graph to a Script Machine.
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6. In the **Arguments** field, enter the number of arguments you want the custom Event to receive and pass to other nodes in your graph. The default value is 0. If you enter a number greater than 0, Visual Scripting adds the corresponding number of Output ports to the Custom Event node.
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> [!NOTE]
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> Visual Scripting labels your first argument as `Arg. 0`.
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7. Enter a unique name for the custom Event through one of the following methods:
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- Enter a name in the field next to the **Name** input port.
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- Attach a node that outputs a string value to the **Name** input port.
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In the following example, a custom Event called **On Damage** returns a single argument when it's triggered in a Script Graph.
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## Next steps
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After you add a Custom Event node to your graph, [add more nodes to your graph](vs-add-node-to-graph.md) or [connect nodes](vs-creating-connections.md) to specify what happens after your Event triggers.
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Then, [add a Custom Event Trigger node](vs-add-custom-event-node-trigger.md) to specify when to trigger the custom Event in your graph.
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To create more complex logic for your custom Event, you can also [create a Custom Scripting Event node](vs-create-own-custom-event-node.md).
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