# With

## Y

In this article, we’ll take a look at how to use the Power Fx with Function in Power Apps. We’ll discuss what Power Fx is, how it works, and how to use it to build custom formulas and expressions.

## What is Power Fx?

Power Fx is a low-code programming language that is used in Power Apps. It is a formula-based language that allows users to build custom formulas and expressions to manipulate data and create custom logic for their applications.

Power Fx is designed to be easy to learn and use, even for users with no coding experience. It uses a syntax that is similar to Excel formulas, so users who are familiar with Excel will find it easy to pick up.

## How Does Power Fx Work?

Power Fx works by using functions to manipulate data. Functions are pre-built formulas that perform specific actions, such as calculating a sum or finding the average of a set of values.

Users can combine functions to create more complex formulas and expressions. For example, a user might use the Sum function to calculate the total sales for a given period, and then use the If function to determine whether the sales total exceeds a certain threshold.

Power Fx also supports variables, which are used to store values that can be reused throughout a formula. This can help to simplify complex formulas and make them easier to read and understand.

## How to Use Power Fx with Function in Power Apps

To use Power Fx with Function in Power Apps, you’ll need to create a new formula or expression in the formula bar.

To do this, click on the formula bar at the top of the screen. This will open up a new window where you can enter your formula or expression.

To use a function in your formula, start by typing the name of the function followed by an open parenthesis. This will bring up a list of available functions that you can choose from.

Once you’ve selected a function, you’ll need to enter the parameters for the function. Parameters are the values that the function needs to perform its action. For example, the Sum function requires a range of values to calculate the sum.

After you’ve entered the parameters, close the parenthesis and press Enter to calculate the result of the formula.

## Examples of Power Fx Functions

Here are a few examples of Power Fx functions that you can use in your formulas and expressions:

– Sum: Calculates the sum of a range of values.

– If: Returns one value if a condition is true, and another value if it is false.

– Average: Calculates the average of a range of values.

– Count: Counts the number of values in a range.

– And: Returns true if all conditions are true.

– Or: Returns true if any of the conditions are true.

Power Fx with Function is a powerful tool that allows users to build custom formulas and expressions to manipulate data and create custom logic for their applications. By using functions and variables, users can create complex formulas that are easy to read and understand.

If you’re new to Power Apps, we recommend taking some time to explore the Power Fx language and experimenting with different formulas and expressions. With a little practice, you’ll be able to build custom applications with ease.