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Power BI enables data insights and better decision-making, while Power Apps enables everyone to build and use apps that connect to business data. Using the Power Apps visual, you can pass context-aware data to a canvas app, which updates in real time as you make changes to your report. Now, your app users can derive business insights and take actions from right within their Power BI reports and dashboards.

Using the Power Apps visual

Let's look at the steps required to use the Power Apps visual in your Power BI report.

1. Power Apps visual is available by default in the Power BI service. If you're using Power BI Desktop and don't see it, you must upgrade to the latest version of Power BI Desktop.

2. Add the Power Apps visual to your report, and set the data fields associated with it.

   You can choose an existing app or create one, but the report must be published to the Power BI service and opened in Microsoft Edge or Google Chrome.

3. If you choose to create an app, you can choose in which environment to create it.

   If you choose to use an existing app, the visual prompts you to open the app in Power Apps. The visual then sets up the required components in your app so that Power BI can send data to Power Apps.

   If you create a new app, Power Apps creates a simple app with the required components already set up.

   Note

   You must create a new app from Power Apps visual in Power BI report for the PowerBIIntegration.Refresh() function to be available in the app.

4. Now in Power Apps Studio, you can use the data fields you set in step 2. The PowerBIIntegration object acts like any other Power Apps read-only data source or collection. You can use the object to populate any control, or join and filter with other data sources.

   This formula joins Power BI data with the Customer data source: LookUp(Customer,Customer_x0020_Name=First(PowerBIIntegration.Data).Customer_Name)

   The Power BI report and the instance of Power Apps Studio that was launched share a live data connection. While they're both open, you can filter or change the data in your report to see the updated data reflect immediately in your app in Power Apps Studio.

5. After you have completed building or making changes to your app, save and publish the app in Power Apps to see your app in the Power BI report.

6. Once you're satisfied with your changes, make sure to share the Power Apps app with users of your report and then save your report.

7. You've created a report in which your users can take actions as they gain insights from your data.

   If you need to make changes to an app, open the report in edit mode, select More options (. . .) on the Power Apps visual and select Edit.

Limitations of the Power Apps visual

The following limitations apply to the Power Apps visual:

• Power Apps visual isn't supported for guest users.
• Power Apps visual doesn't support multi-level embedding of Power Apps in Sovereign clouds. For example, embedding a Power BI report with Power Apps visual to a SharePoint page, or further embedding that SharePoint page to a Teams channel isn't supported on sovereign clouds.
• If you change the data fields associated with the visual, you must edit the app from within the Power BI service by selecting the ellipsis (...) and then selecting Edit. Otherwise, the changes won't be propagated to Power Apps, and the app will behave in unexpected ways.
• The Power Apps visual can't trigger a refresh of Power BI reports and Power BI data sources from within Power BI Desktop. If you write back data from the app to the same data source as the report, your changes won't be reflected immediately in Power BI Desktop. Changes are reflected on the next scheduled refresh.
• The Power Apps visual can't filter the data or send any data back to the report.
• You'll need to share the Power Apps app separately from your report. Learn about sharing apps in Power Apps.
• Power BI Report Server doesn't support the Power Apps visual.
• Following limitations apply when using the PowerBIIntegration.Refresh() function:
  • You must create a new app from Power Apps visual in Power BI report for this function to be available in the app.
  • You must use a source that supports DirectQuery and the data connection must be created using DirectQuery method.
• Power Apps in Power BI Desktop provides data to Power Apps Studio when creating apps but not while editing. Use Power BI Web to preview the data while editing apps.
• The Power BI mobile app doesn't support microphone control in Power Apps visuals.

Note

We recommend that you first publish your report to the Power BI service and then create or modify apps.

Browser support

The following table lists the browser supportability for view, create, and modify actions of the Power Apps visual. Supported browsers and actions are identified by a check mark ( ✓ ).

* In Safari, you must enable cross site tracking (Preferences > Privacy, and clear Prevent cross site tracking) to view Power Apps visual.

Accessibility support

To navigate the Power Apps visual using the keyboard, follow these steps:

1. Focus selection on the Power BI Report for the Power Apps visual that you want.
2. Use the Tab key on the keyboard until the visual is highlighted.
3. Use the Ctrl+Right key on the keyboard to enter the visual.
4. Use the Tab key on the keyboard until the component of the visual you want is selected.

For more information, go to Power BI Accessibility Documentation

Next steps

• Go through a simple step-by-step tutorial.
• Check out our video.

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In the previous articles, you learned about the execution phases and data call flow, common sources of slow performance, and common performance issues and resolutions in canvas apps. You can also benefit by following the tips and best practices in this article to boost the performance of apps that you create.

Limit data connections

Don't connect to more than 30 data sources from the same app. Apps prompt new users to sign in to each connector, so every extra connector increases the amount of time that the app needs to start. As an app runs, each connector requires CPU resources, memory, and network bandwidth when the app requests data from that source.

You can quickly measure your app's performance by turning on Developer Tools in Microsoft Edge or Google Chrome while running the app. Your app is more likely to take longer than 15 seconds to return data if it frequently requests data from more than 30 data sources, such as Microsoft Dataverse, Azure SQL, SharePoint, and Excel on OneDrive.

Limit the number of controls

Don't add more than 500 controls to the same app. Power Apps generates an HTML document object model to render each control. The more controls you add, the more generation time Power Apps needs.

You can, in some cases, achieve the same result and have the app start faster if you use a gallery instead of individual controls. Inaddition, you might want to reduce the number of control types on the same screen. Some controls (such as PDF viewer, data table, andcombo box) pull in large execution scripts and take longer to render.

Optimize the OnStart property

Use the ClearCollect function to cache data locally if it doesn't change during the user session. Also, use the Concurrent function to load data sources simultaneously; this can cut the amount of time an app needs to load data in half. More information: Concurrent function in Power Apps

Without the Concurrent function, the following formula loads each of four tables one at a time:

You can confirm this behavior in the Developer Tools for your browser, as shown in the following image.

You can enclose the same formula in the Concurrent function to reduce the overall time that the operation needs:

With this change, the app fetches the tables in parallel, as shown in the following image.

Note

For more information about the performance problems and resolutions related to OnStart, read OnStart event needs tuning.

Cache lookup data

Use the Set function to cache data from lookup tables locally to avoid repeatedly retrieving data from the source. This technique optimizes performance if the data probably won't change during a session. As shown in the following example, the data is retrieved from the source once, and then referenced locally until the user closes the app.

This method is more useful for data such as contact information, default values, or user information that doesn't change frequently. You can also use this technique with the Defaults and User functions.

Avoid control dependency between screens

To improve performance, the screens of an app are loaded into memory only as they're needed. This optimization can be hampered if, for example, screen 1 is loaded and one of its formulas uses the property of a control from screen 2. Now screen 2 must be loaded to fulfill the dependency before screen 1 can be displayed. Imagine screen 2 has a dependency on screen 3, which has another dependency on screen 4, and so on. This dependency chain can cause many screens to be loaded.

For this reason, avoid formula dependencies between screens. In some cases, you can use a global variable or collection to share information between screens.

There's an exception: In the previous example, imagine that the only way to display screen 1 is by navigating from screen 2. Then screen 2 will have already been loaded in memory when screen 1 is to be loaded. No extra work is needed to fulfill the dependency for screen 2, and therefore there's no performance impact.

Use delegation

Where possible, use functions that delegate data processing to the data source instead of retrieving data to the local device for processing. If an app must process data locally, the operation requires much more processing power, memory, and network bandwidth, especially if the dataset is large.

Tip

To learn about delegable functions supported by specific connectors, go to the connector documentation.

For an example of delegable functions, consider an ID column defined as the Number data type in a SharePoint list. Formulas in the following example will return the results as expected. However, the first formula is non-delegable while the second is delegable.

Because we assume that the ID column in SharePoint is defined with the data type of Number, the right-side value should be a numeric variable instead of a string variable. Otherwise, this mismatch might trigger the formula to be non-delegable.

The use of non-delegable functions and inappropriate data row limits for non-delegable queries can have an adverse effect on the performance of the app. More information: Understand delegation in a canvas app

Use Delayed Load

Turn on the experimental feature for delayed load if your app has more than 10 screens, no rules, and many controls that are on multiple screens and are directly bound to the data source. If you build this type of app and don't enable this feature, app performance can suffer because the controls in all screens must be populated even on screens that aren't open. Also, all screens of the app must be updated whenever the data source changes, such as when the user adds a record.

Working with large datasets

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Use data sources and formulas that can be delegated to keep your apps performing well while users can access all the information they need, and avoid hitting the data row limit of 2,000 for non-delegable queries. Fort set the DisplayMode property of controls A, B, C, D, and E to the same complex formula. Instead, set A's DisplayMode property to the complex formula, set B's DisplayMode property to the result of A's DisplayMode property, and so on for C, D, and E.

Enable DelayOutput on all Text input controls

If you have multiple formulas or rules that reference the value of a Text input control, set the DelayedOutput property of that control to true. The Text property of that control will be updated only after keystrokes entered in quick succession have stopped. The formulas or rules won't run as many times, and app performance will improve.

Avoid using Form.Updates in rules and formulas

If you reference a user-input value in a rule or a formula by using a Form.Updates variable, it iterates over all the form's data cards and creates a record each time. To make your app more efficient, reference the value directly from the data card or the control value.

Next steps

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Review the coding standards for maximizing app performance and keeping apps easier to maintain.

See also

Understand canvas app execution phases and data call flow
Common canvas app performance issues and resolutions
Common sources of slow performance for a canvas app
Common issues and resolutions for Power Apps
Troubleshooting startup issues for Power Apps

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