On CodeHS Pro, you can assign a CodeHS assignment to Google Classroom if your section is imported from Google Classroom.
To assign an assignment, go to the Edit Assignment page for a specific assignment. Scroll down to the bottom and open up Advanced Settings, where you'll find the section Google Classroom.
When you click on the Google Classroom button it will create an assignment that can then be viewed by both you and your students in Google Classroom.
The assignment created will contain a link to the CodeHS assignment which students can easily access and start working on!
If you have already assigned a CodeHS assignment in Google Classroom, you will see the following: