The MyTools function allows a user to quickly add studies to a chart without having to open the edit studies menu. However, this is not very useful, and it ultimately ends up blocking the information bar atop a graph when you scroll to the top of the chart. This video shows what the MyTools function is and how to turn it on and off.
You can find custom codes I've written for ThinkOrSwim here:
https://andrewstoolbox.com/shop/