1ToDo/Add-ManagedAppPolicy.ps1

<#
 
.COPYRIGHT
Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.
See https://github.com/microsoftgraph/powershell-intune-samples/blob/master/LICENSE for license information.
 
#>


Function Add-ManagedAppPolicy() {
    
        <#
    .SYNOPSIS
    This function is used to add an Managed App policy using the Graph API REST interface
    .DESCRIPTION
    The function connects to the Graph API Interface and adds a Managed App policy
    .EXAMPLE
    Add-ManagedAppPolicy -JSON $JSON
    Adds a Managed App policy in Intune
    .NOTES
    NAME: Add-ManagedAppPolicy
    #>

    
        [cmdletbinding()]
    
        param
        (
            $JSON
        )
    
        $graphApiVersion = "Beta"
        $Resource = "deviceAppManagement/managedAppPolicies"
    
        try {
    
            if ($JSON -eq "" -or $JSON -eq $null) {
    
                write-host "No JSON specified, please specify valid JSON for a Managed App Policy..." -f Red
    
            }
    
            else {
    
                Test-JSON -JSON $JSON
    
                $uri = "https://graph.microsoft.com/$graphApiVersion/$($Resource)"
                Invoke-RestMethod -Uri $uri -Headers $authToken -Method Post -Body $JSON -ContentType "application/json"
    
            }
    
        }
    
        catch {
    
            
            $ex = $_.Exception
            $errorResponse = $ex.Response.GetResponseStream()
            $reader = New-Object System.IO.StreamReader($errorResponse)
            $reader.BaseStream.Position = 0
            $reader.DiscardBufferedData()
            $responseBody = $reader.ReadToEnd();
            Write-Host "Response content:`n$responseBody" -f Red
            Write-Error "Request to $Uri failed with HTTP Status $($ex.Response.StatusCode) $($ex.Response.StatusDescription)"
            
            break
    
        }
    
    }