- Customer contact for delivery coordination.
- Emergency contact when the main number cannot be reached.
- Recipient for a code: a phone number can receive a one-time code sent by WhatsApp.
Properties

- Default Value: a number filled in for every new task.
- Visible: when off, the field is hidden on the web and the field app; its value is still kept and exported.
- Required: the task cannot be saved or finished until a number is entered.
- Show As: show the number in the task list as the task’s Title, Content or Label.