[ Free ] · Story maker
Easiest: use Connect Sling, no link needed. For the link instead: on app.getsling.com (computer, not the app) open Schedule, click Sync to calendar apps (top right), copy Your schedule.
On calendar.google.com (computer), hover your calendar on the left, click ⋮ then Settings and sharing. Under Integrate calendar, copy Secret address in iCal format.
On iCloud.com, open Calendar, click the share icon next to your calendar, turn on Public Calendar and copy the link. webcal:// links work as they are.
These don't give a calendar link. Use Type them in, or let the agent read your schedule automatically.
Keep the link private: it lets anyone read your schedule. You can reset it in your calendar settings.