Unable to use "Use Columns" in Map view to group notes by $Category attribute in Tinderbox 9.5.1

[satikusala (Dr. Michael Becker)]

@montaus

In order to learn those query, where should I start?

You might want to check out these videos:

1. Tinderbox Training Video 06 - Understanding Agents & Queries (Part 1)
2. Tinderbox Training Video 07 - Understanding Agents, Queries, and Actions (Part 2)

Mastering Tinderbox: Training Videos (Complete List)

A few of my fellow Tinderboxers and I have been toying with creating educational Tinderbox videos. What is Tinderbox [Tinderbox] What is Tinderbox? from Mark Bernstein on Vimeo. Our Training Videos [TBX - L IntroductionVideo] (Click to watch intro) I have recorded a number of lessons and put them on YouTube. Here you go: Tinderbox Training Video 01 - An Introduction to Michael Becker Tinderbox Training Video 02 - Turning on toolbars and navigating the menus Tinderbox Training Video 03 - G…