"Saving" a page by a user in Power App app in Power BI

[Anonymous]

Hello!
I need to create an app for users for Power BI. 

It would be simple - user clicks YES/NO and is brought through several pages (like a decision tree).

Is it possible to enable the user to SAVE the page they are on?

Example:
User opens Power BI report "Fruits"
opens a page A with Power App app that shows the 1. question "Do you like apples?", the user clicks on "No" and is brought to a 2. page with another question "Maybe pears, then?" and then the user closes the report. 

Is it possible that next time this user opens "Fruits" , page "A" and sees "Maybe pears, then" page in the application? Not the beginning?

I am a total beginner in Power Apps and I will highly appreciate your help!

[BCLS776]

You'll need to make some careful decisions on how you set up app state and save/retrieve it, but it sounds possible. Power Apps do not save app state on their own, so you have to connect your app to a backend (such as a Sharepoint List) and save any relevant state changes as they happen in your app. Your app will also need to recognize state it retrieves from the backend to bring the user to the desired place in the app again.

Before you jump into building the app, think carefully about how you want the user to interact with the app and how you might code that into a state. It might be a series of boolean values for stages of progress, or it might be a status "code". Once you have a clear picture of how to describe it, your coding will go easier.

Hope that helps,

Bryan

[Anonymous]

Thanks BCLS776!

Do you have maybe any manuals for such cases? 
I am completely green in this subject.

[BCLS776]

I don't know of documentation that exactly describes this situation, but it is all about reading and writing to data sources. This document covers the basics, and while it seems like only a few pages it has all the fundamental concepts of working with data.

A few functions you'll need to get really familiar with to do what you're after:

1. Patch() - this is how you'll save data to a backend
2. Filter() & LookUp() - this is how you'll retrieve data from the backend to use in your app
3. Navigate() - controls which screen is shown to the user

As you go along and come up with questions, try searching for and posting very specific questions on the community forum. Often, someone else has run into a situation similar to yours and their post will give you that bit of knowledge to move your app further along. Otherwise, when you get stuck, write a post on here and the community will give you some ideas.

Bryan