Power Apps Development Flashcards
7 cards from real PL 400 practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Power Apps Development flashcards as text
In a canvas app, which function should you use to display a brief, non-blocking notification message to the user?
Answer: Notify("Message", NotificationType.Success)
Notify() displays a banner notification at the top of the screen without interrupting the user, supporting types like Success, Error, Warning, and Information.
Which Dataverse feature lets you automatically calculate a column's value based on other columns without writing code?
Answer: Formula column using Power Fx
Formula columns in Dataverse use Power Fx expressions evaluated server-side to derive a column's value from other row data without custom code.
A model-driven app command bar button should only appear when a single row is selected in a grid. Which visibility rule setting achieves this?
Answer: Selection count equals 1 in the command's visibility rule
Command bar visibility rules can include selection-count conditions, showing the button only when exactly one row is selected in the grid.
You need a canvas app to read data from an on-premises SQL Server database. What is required?
Answer: On-premises data gateway installed and configured
The on-premises data gateway acts as a bridge between Power Platform cloud services and data sources inside a private network like on-premises SQL Server.
In PCF development, which command initializes a new control project with the field template?
Answer: pac pcf init --namespace MyNS --name MyControl --template field
The 'pac pcf init' command with the --template field flag scaffolds a new PCF field control project with the required manifest and TypeScript files.
Which Power Apps expression correctly increments a counter variable by 1 each time a button is pressed?
Answer: Set(varCounter, varCounter + 1)
Set() updates a global variable's value, and using Set(varCounter, varCounter + 1) reads the current value and assigns the incremented result.
You want to use environment variables in a canvas app to store a configuration URL that differs between dev and production environments. Where do you define environment variables?
Answer: In the solution as an environment variable definition and value component
Environment variables are solution components with a definition and optional value; each environment can supply its own value without modifying the app itself.