Servv supports Custom Fields for Events and Appointments.

Any Links e.g. Google Meet, Microsoft Teams, Calendly, Supply List, Ingredients List, Class pre-requisites, Google Drive, Youtube Links, etc can be added via Custom Fields.

You can add these custom fields when you create a new appointment or event, and they show up in the event creation details
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The custom fields are emailed to users when a purchase is made. They are also included in reminder emails.