31 lines
2.3 KiB
Markdown
31 lines
2.3 KiB
Markdown
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# Add a Trigger or Data port to a Script Graph
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When you use a Script Graph as a Subgraph, you can pass data and logic to it from its parent graph. Add and define ports on your graph to determine which logic and data you can pass to it.
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To add a Trigger Input, Trigger Output, Data Input, or Data Output port to a Script Graph:
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1. If you haven't already, [open the Script Graph you want to edit in the Graph window](vs-open-graph-edit.md).
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2. With no nodes selected, in the Graph Inspector, select **Add** (+) under the port type you want to add to your Script Graph: **Trigger Inputs**, **Trigger Outputs**, **Data Inputs**, or **Data Outputs**.
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[!include[graph-inspector-tip](./snippets/vs-graph-inspector-tip.md)]
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3. In the **Key** field, enter a unique key name for your port. This name can't be the same as any existing ports on your currently selected Script Graph.
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4. (Optional) In the **Label** field, enter any text you want to appear as a label for the port on a Subgraph, Input, or Output node for your current Script Graph. Otherwise, Visual Scripting uses the value in the **Key** field as a label.
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5. (Optional) In the **Summary** field, enter any text that you want to appear as a brief summary of the port in the Graph Inspector when you select a Subgraph, Input, or Output node for your current Script Graph.
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6. (Optional) Select **Hide Label** to hide the label for the port on any Subgraph, Input, or Output node for your current Script Graph.
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7. (Data Inputs and Data Outputs Only) Select the **Type** list to open the Type menu and select a type for the data your port should accept.
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8. (Data Inputs Only) Select **Has Default Value** to enable the **Default Value** field and specify a default value for your Script Graph's Data Input, if your graph doesn't receive another input while it runs.
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## Next steps
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You can now specify triggers and data for your Script Graph when you use it as a Subgraph in another Script Graph. For more information on each port type, see [Subgraph inputs and outputs](vs-nesting-subgraphs-state-units.md#subgraph-inputs-and-outputs).
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For more information on adding a Script Graph as a Subgraph, see [Add a Subgraph to a Script Graph](vs-add-subgraph.md).
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