playtest-unity/playtest/Library/PackageCache/com.unity.visualscripting@1.8.0/Documentation~/snippets/vs-open-new-external-code.md

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open-new-external-code

Double-click the new C# file. Unity opens the file in the program you specified in your preferences, under External Script Editor.

[!NOTE] For more information on script editors in Unity, see the Integrated development environment (IDE) support in the Unity User Manual.