Data propagation maps the run-time values of properties in your parent case type to properties in child case types.
For example, you can propagate the urgency of an Accident Claim case to ensure that the Vehicle Damage case is quickly escalated to an available case worker. By sharing information among case types, you can make data-driven decisions.
Data propagation is implemented in your application by properties that are programmatically set each time that a child case is added to a parent case.