Bulk add users to Azure Application Role

gistfile1.txt

# file with a header of userprincipalname and a list of UPNs to add to the specified app and role
$data = import-csv C:\temp\userstoadd.csv

# app and role names
$app_name = "YOUR APP NAME HERE"
$app_role_name = "YOUR APP ROLE HERE"

# Connect to Azure AD
  Connect-AzureAD -Confirm

$sp = Get-AzureADServicePrincipal -Filter "displayName eq '$app_name'"
$appRole = $sp.AppRoles | Where-Object { $_.DisplayName -eq $app_role_name }

foreach ($userToAdd in $data){
    try{
        $user = Get-AzureADUser -ObjectId $userToAdd.userprincipalname
        New-AzureADUserAppRoleAssignment -ObjectId $user.ObjectId -PrincipalId $user.ObjectId -ResourceId $sp.ObjectId -Id $appRole.Id
    }catch{
        Write-Warning -Message "Could not add user to group"
    }
}