You can propagate data from a parent case to each child case that is created at run time. By sharing property values among cases, you save time and provide relevant information to caseworkers.
Open a parent case type in Case Designer.
On the Settings tab, click Data propagation to display a list of child case types and the properties that have been propagated.
For example, Into Loan (2) is displayed when two properties are propagated from your case type into the Loan child case type.
Click a child case name to expand the section.
Click + Add property.
In the Propagate property value field, press the Down Arrow key and select the name of a property that is copied from the parent case at run time.
Tip: Enter a fully qualified name in this field to specify an embedded property. For example, enter .pyWorkParty(Customer).pyWorkPartyUri to set the pyWorkPartyUri property that is defined on the Customer page of the pyWorkParty page group.
In the To property value field, press the Down Arrow key and select the name of a property that is set in the child case at run time.
Optional: Select the Apply data transform check box and provide the name of a data transform that runs each time that a child case is created.
This data transform does not run when a child case is created by a Case step in a stage of the parent case type.
Tip: Reference the pyParentPageName page property in this data transform to access properties in the parent case type.
Repeat steps 3 through 8 to propagate the values of more properties from the parent case type.
At run time, values are propagated each time that a child case is added to the parent case.
I too am experiencing this error. I am tasked with creating a data propagation from Parent to Child however when I select the parent case type, go to the settings I do not see the 'Data Propagation' that I can select. Do I already need to have the child case created?