Power Automate Fundamentals # 20: Usage of Max Function in Power Automate

Introduction:

In Power Automate, at times we need to compare values Max Function is used so that we can get easily desired result. As an example, let us see how to get Maximum age of  2 persons as well as maximum value from a given array of integers with the help of Max function.

Step 1:

Login to the required Power Apps environment using URL make.powerapps.com by providing username and password and click on Flows on the left-hand side as shown in the below figure.

Step 2:

After Step 1, Click on New Flow and select instant cloud flow and provide the trigger as Manually trigger a flow and click on Create as shown in the below figure.

Step 3:

After Step 2, Add a parallel branch and in one part name flow as Max Function and take initialize variable action and provide step name it as Set Age of First Person as 30 years and then provide the inputs as in one side

Name : First Person’s Age

Type : Integer

Value : 30

as shown in the below figure.

Step 4:

After Step 3, in other side of parallel branch take initialize variable action and provide step name it as Set Age of Second Person as 35 years and then provide the inputs as in one side

Name : Second Person’s Age

Type : Integer

Value : 35

as shown in the below figure.

Step 5:

After Step 4, now take compose action and name it as Get Maximum Age between 2 Persons and provide the following inputs as below with max function and it expects the following syntax

max(value_1: array|number, …)

and provide

max(variables(‘First Person”s Age’),variables(‘Second Person”s Age’))

and click on update/ok as shown in the below figure.

Step 6:

After Step 5, initialize another variable to hold array of integers and name it as Set Array of Integers and provide the following inputs as below with

Name : IntegersArray

Type: Array

Value : [4,36,37,81,9]

as shown in the below figure.

Step 7:

After Step 6, now take compose action to hold the maximum value in the array of integers

Name : Get Maximum Value from Array of Integers

Input : max(variables(‘IntegersArray’))

And click on ok/update as shown in the below figure.

Step 8:

After Step 7, run the flow and see the results as shown in the below figure.

Note:

  1. Make sure to save and run the flow whenever you try expressions.
  2. MS documentation is found at here

Conclusion: In this way we can easily perform basic operations like Max function to achieve simple requirement in Power Automate flow.

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