Must be spelled exactly like this

Author: AristurtleDev

articles/tutorials/building_2d_games/21_customizing_gum_ui/snippets/animatedbutton.cs

@@ -43,7 +43,7 @@ public AnimatedButton(TextureAtlas atlas)
         // Create the text element that will display the button's label
         TextRuntime textInstance = new TextRuntime();
         // Name is required so it hooks in to the base Button.Text property
-        textInstance.Name = nameof(textInstance);
+        textInstance.Name = "TextInstance";
         textInstance.Text = "START";
         textInstance.Blue = 130;
         textInstance.Green = 86;