Steps an_order_for_a_$_car( CarType type ) {
            /*
             * Dynamically add a tag with a value depending on the passed
             * argument.
             */
            currentScenario.addTag( CarOrder.class, type.name );
            return this;
        }
This example shows how tags can be added dynamically at runtime.
jgiven-examples/src/test/java/com/tngtech/jgiven/examples/tags/DynamicTags.java