The VisualScript plugin treats custom event node types as if they were regular types.
I am using Unity 2021.3.11f1 and VisualScripting 1.7.8.
After following this example to create a custom node, the node did not become a custom event entry node, but instead appeared like a regular C# type node.
In the official example, the final node should look like this:
However, what I actually obtained was this:
This custom event node also did not appear in the specified category:
I have already configured the custom event node in the Project Settings and executed Regenerate Nodes.