Update Sharing Settings for Authenticated External Users Who Schedule Appointments

Use organization-wide default sharing settings to set the baseline external access for Salesforce Scheduler records.

Available in: Lightning Experience.

Available in: Enterprise and Unlimited Editions

From Setup, in the Quick Find box, enter Sharing Settings, and then select Sharing Settings.
Under Organization-Wide Defaults, set the sharing settings as described in this table.

Under General User Permissions, select these permissions.

Object	Default External Access
Operating Hours	Public Read Only
Calendar	Show Details and Add Events
Service Appointment	Public Read/Write
Service Resource	Public Read Only
Service Territory	Public Read Only
Work Type	Public Read Only
Work Type Group	Public Read Only
User	Public Read Only Note Required only if the Event Management setting is enabled. Ideally, it’s recommended to set the access level for user records via a sharing rule.