The Foreign Key rule links all foreign key ports in a mapping object to foreign key ports with the same names in another mapping object.

For example, if you create a Foreign Key rule on a link from a Filter transformation to a target definition, Mapping Architect for Visio creates all foreign key ports in the target definition with the same names and properties as the Filter Transformation. Mapping Architect for Visio also creates links between foreign key ports of the same name.

Use the following syntax when you include this rule in a Parameter rule: