Other non prescribed us so we reviewed for a prescribed Chrome OS it's a daily Scrum is sprint planning sprint review and Sprint Retrospective. We can consider for Scrum OSS minimums that is mandatory for healthy, agile Scrum environment. But as long as we consider this as menu we should also consider other discussion and when's Scrum actually embrace productive discussions productive communications out as example. scrum team could also have different discussion when they are initiated for whatever reason, for example, by Scrum Master, and do we need to discuss some emerging issue or problem or whatever is needed. And another point is that we also need to consider time and maybe meetings or even some kind of sessions for backlog refinement and grooming meetings. So to summarize this chapter, what we can say here is that all other meetings are part of those four are welcome, as long as they're productive.
So Scrum appraises, and for canonical or prescribed Scrum events can be considered as healthy and minimal for agile Scrum environment. But of course, you can do more as long as it's needed. So we almost finished this chapter about Scrum Alliance. Now let's summarize it and let's finish this chapter.