I am following the tutorial and I didnt understand the content conveyed regarding roundtrip.
Here I was asked to create an action with name Roundtrip and assign this to onEnter. But I didnt provide any implementation for onActionRoundtrip method.
How it is able to calculate the value for the field?
And I dont understand the last sentence regarding onLeadSelected. What will happen with assignment of Roundtrip action to this event?