Your customers can view your class schedule through your public schedule, which you get in several ways:
Direct link (your studio URL)
You can share your public page directly:
https://app.zenamu.com/<your-domain-name>
From Settings → Public Schedule
Copy the public schedule URL and share it with your clients
From the Calendar/Class schedule view (eye icon)
In the main schedule administration, click the eye icon
This opens your public schedule
You can also embed this schedule on your website using the plugins.
Related questions this answers:
Where is my public schedule?
How do customers see my classes?
How can I share my schedule with clients?
How do I send the booking link to customers?