You can define linked data elements by using the P6 Activity Picker field through the Link Elements option in a business process upper form, business process detail form, or a shell attribute form. All of the data elements within an activity attribute form (both manual and standard activity attributes) are available to be added as linked data elements by using the P6 Activity Picker field.
The following table explains the options that are available:
Source
The Source field shows all of the data elements that are of data definition type as P6 Activity Picker. This is a required field where you can select one of the P6 Activity Picker type data element.
Source Element
The Source Element field lists all of the data elements from activity attribute form (both manual and standard activity attributes). This is a required field.
Destination Element
The Destination Element field, lists all of the data elements from Data Structure Setup that match the data definition of the Source Element field.
The data elements that have been added as custom data elements, in the form, will not be shown in the list of matching data elements.