I don't yet know enough about Xamarin terminology to probably make sense, but I was doing OK following the James Montemagno YouTube video, "https://www.youtube.com/watch?v=XFP8Np-uRWc" until I had to create a "collective variable" (?)!
What might I be doing wrong?https://docs.microsoft.com/answers/storage/attachments/88628-clipboard01.png