Help Creating Event Listeners and Action Chain

We are looking to create an Even Listener and Action Chain so that when we change an Opportunity Type it automatically changes to a specific Sales Stage.

The documentation I am finding is a bit confusing and nothing we've created is working for what we need.

Does anyone have something like this similarly setup that they could share your code on?

We have fields:

OpportunityTypeNew_c

StalesStageId

It should be a very basic thing to create, as we have this already setup and working in Workspace. But using Redwood Sales we are unable to get this to work.

Thanks!