Step 1. Copy code for your booking calendar from Fresha
Login to your Fresha account and navigate to Setup > Online booking > Direct links > Link to services > Create link > copy this code
Step 2. Paste code to Hair Hunter BYO Calendar section
Login to your Hair Hunters profile and navigate to Profile & offers > Edit (the profile you want to add calendar to) > BYO Booking Calendar > paste the code that you have copied from Fresha (step 1) > Save changes