How can i place checkpoints in Qmetry automation Framework(QAF)

I recently started using QAF Java framework for testing. I really liked there dashboard which is detailed and attractive. However, I unable to utilize most of framework due to limited knowledge and documentation in Qmetry website. How to place checkpoints as shown in the screenshot below? Kindly explain with basic examples.Screenshot from Qmetry documentation I've tried searching for this but I didn't get clear understanding. Please help.