PowerShell: How to pass multiple parameters into a function in PowerShell with 2 proven steps

How to pass multiple parameters into a function in PowerShell – In this post, I will show how to pass multiple parameters into a function in PowerShell coding.

Addition of numbers function using PowerShell example: Function with multiple parameters PowerShell

cls
#The below sample function will accept numeric parameters and do the addtion.
Function Add-Numbers()
{
    
    param
    (
        [Parameter(Mandatory=$true)] [int32] $FirstNumber,
        [Parameter(Mandatory=$true)] [int32] $SecondNumber,
        [Parameter(Mandatory=$false)][int32] $ThirdNumber
       
    )
 
    Try 
    {

        
        $resultNumber=$FirstNumber+$SecondNumber+$ThirdNumber;

        
        Write-host -f Green "Addition of" $FirstNumber, $SecondNumber "and" $ThirdNumber "is: " $resultNumber
    }
    Catch 
    {
            
            $ErrorMessage = $_.Exception.Message +"while doing the addition"
            Write-Host $ErrorMessage -BackgroundColor Red
            


    }
    return $resultNumber;
}

#Parameters - how to pass parameter to the function:
$firstNumber=10;
$secondNumber=10;
$thirdNumber=10;
Add-Numbers $firstNumber $secondNumber $thirdNumber
#Parameters ends

Test the addition of numbers function script: Function with multiple parameters PowerShell

Summary: Pass multiple parameters into a function in PowerShell(Function with multiple parameters PowerShell)

Hence, in this post we have learned the below concepts of PowerShell:

• How to make a parameter mandatory in PowerShell
• How to make a parameter optional in PowerShell
• What are the parameters in PowerShell?
• How to add multiple parameter sets to a PowerShell function
• How to use Parameters in PowerShell
• Getting input into PowerShell Functions with Parameters
• Number (int32) datatype in PowerShell.
• The parameters,data types,return value in PowerShell function.

See Also: PowerShell tutorial for beginners

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About Post Author

MA Microsoft Techy

I am an Enterprise Architect with 20+ years of experience in Microsoft technologies, specializing in Power Platform, Microsoft 365, governance, AI-driven solutions, and enterprise automation. I share my technical expertise with the community through my blog and YouTube channel: https://www.youtube.com/@MicrosoftTechy

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