To send a discounted service to customers, you'll have to copy the service you wish to have a discount for which you'll be able to do under Setup > Manage services. Here click the pencil icon to edit the service.
On this new service add an offer as appropriate - you can do this under the Type of Service drop down by editing the existing Duration and price
Make sure to set this service as Not visible online under the Online booking settings dropdown:
Now you only have to create the widget, which will act as a type of discount code as it will be only accessible to those that you choose to share it with.
To set this up, follow the below steps:
Go to Booking tools and select Manage booking widgets
Click Create new widget
Select Embed or Popover mode
Name your new widget (this is for internal reference only)
Filter by service and choose the new service you created
Customise as needed
Don't forget to save the widget
Then click on Get embed code
Embed the widget on your website or circulate the widget URL
This service won't show on your Booking Page or other booking tools and will only be available to people with the link 😊