Create Power Apps Flashcards
7 cards from real PL 400 practice questions. Tap to flip, then mark Knew It or Still Learning โ missed cards come back until you master them.
Read the first 7 Create Power Apps flashcards as text
A developer needs to implement a custom component that can be reused across multiple canvas apps. Which technology should they use?
Answer: Power Apps canvas component library
Canvas component libraries allow developers to create reusable components that can be shared and imported across multiple canvas apps.
When building a model-driven app, a developer wants to restrict which columns are visible based on the user's security role. What is the recommended approach?
Answer: Configure column-level security in Dataverse
Column-level security in Dataverse restricts access to specific columns based on security roles, enforced at the data layer.
A canvas app needs to display a gallery that updates in real time as other users add records. Which approach achieves this with minimal code?
Answer: Use a Timer control to call Refresh() on the data source periodically
A Timer control combined with Refresh() on the data source periodically pulls updated records without requiring manual user action.
Which formula would correctly navigate to a screen named 'DetailScreen' and pass a context variable named 'selectedItem'?
Answer: Navigate(DetailScreen, ScreenTransition.Fade, {selectedItem: Gallery1.Selected})
The Navigate function accepts a screen name, transition type, and an optional record that sets context variables on the target screen.
A developer is building a Power App that needs to call a REST API that is not available as a standard connector. What should they create?
Answer: A custom connector
Custom connectors allow Power Apps to communicate with external REST APIs by defining authentication, actions, and triggers.
In a model-driven app, which event should a developer use to run validation logic before a record is saved?
Answer: OnSave
The OnSave event fires before a record is committed, allowing developers to run validation and cancel the save if conditions are not met.
A developer wants to display a PDF file stored in SharePoint within a canvas app. Which control should they use?
Answer: PDF viewer control
The PDF viewer control in canvas apps renders PDF files directly from a URL, including files stored in SharePoint document libraries.