In this cheat sheet by Erin Zimmer, you will find all you need to know about Angular Schematics! Be prepared to discover how to run schematic from a different directory, turn off the debug mode, add files to a directory inside your schematic, use your schematic in the real world, and many other!
Schematics CLI
Schema for user Input
Accessing user Input
Call an external schematic
Adding files
Using placeholders in files
Combining Rules
File operations
Adding dependencies
Using ng-add
Using your schematic in the real world