square.onLocationCustomAttributeVisibleDeleted subscribes to location.custom_attribute.visible.deleted for the selected seller. It requires MERCHANT_PROFILE_READ.
Example
automations/square-on-location-custom-attribute-visible-deleted.automation.ts
Event
A custom attribute that’s visible to your application was deleted from a location. The signal resolves to the officialSquare.LocationCustomAttributeVisibleDeletedEvent payload with type narrowed to location.custom_attribute.visible.deleted.