TestDriver will worry about generating and maintaining tests for the most part. However, if you'd like to edit tests or gain a better understanding of what's going on you can find all of the commands in this secion.
As for YML format, here is an example of a valid yml file:
version:4.0.0steps: - prompt:enter fiber.google.com in urlcommands: - command:focus-applicationname:Google Chrome - command:hover-texttext:Search Google or type a URLdescription:main google searchaction:click - command:typetext:fiber.google.com - command:press-keyskeys: - enter - prompt:enter a fake address and check availabilitycommands: - command:hoverx:0y:0 - command:focus-applicationname:Google Chrome - command:hover-texttext:Enter your addressdescription:address input fieldaction:click - command:typetext:123 Fake Street - command:hover-texttext:ZIPdescription:ZIP code input fieldaction:click - command:typetext:12345 - command:hover-texttext:Check availabilitydescription:check availability buttonaction:click - prompt:assert a familiy appears on screencommands: - command:focus-applicationname:Google Chrome - command:assertexpect:a family appears on screen