Getting started with C# in Grasshopper

Hey everyone. Just getting started with learning C# in Grasshopper. I am following this tutorial by Long Nguyen but somehow despite following every step he took, my code simply won’t run. Is this a library issue (I saw that he also called other Rhino. Libraries e.g. Rhino.Collection, Rhino.DocObjects, etc.)?

Thank you very much!

Does this work for you? (6.1 KB)

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lmao stupid me
Yes this was the mistake. Just woke up gonna get back to work. Thank you both very much!