Enabling/Disabling Azure Logic Apps Using PowerShell

param(
    #subscriptionID: GUID representing the Azure subscription to connect to
    [Parameter(Mandatory=$true)]
    [String]$subscriptionID,
    #tenantID: GUID of the Azure Active Directory (AAD) tenant being connected to
    [Parameter(Mandatory=$true)]
    [String]$tenantID,
    #clientID: AAD Client ID for the subscription service principle
    [Parameter(Mandatory=$true)]
    [String]$clientID,
    #clientSecret: AAD Client Secret for the subscription service principle
    [Parameter(Mandatory=$true)]
    [String]$clientSecret,
    #resourceGroup: Indicate the resource group to target
    [Parameter(Mandatory=$true)]
    [String]$resourceGroup,
    #action: Indicate the desired action to perform against the Logic Apps
    [ValidateSet("enable","disable")]
    [Parameter(Mandatory=$true)]
    [String]$action
)

#Build and send the request to obtain a valid Access Token
$authParam = @{
    Uri = "https://login.microsoftonline.com/$tenantId/oauth2/token";
    Method = 'Post';
    Body = @{ 
        grant_type = 'client_credentials'; 
        resource = 'https://management.core.windows.net/'; 
        client_id = $clientID; 
        client_secret = $clientSecret
    }
}
$result = Invoke-RestMethod @authParam
$token = $result.access_token
Write-Host "Access Token generated successfully"

#Retrieve all Logic Apps within the current environment
Write-Host "Attempting to retrieve all Logic Apps in resource group $resourceGroup..."
$getLAsParam = @{
    Uri = "https://management.azure.com/subscriptions/$subscriptionId/resourceGroups/$resourceGroup/providers/Microsoft.Logic/workflows?api-version=2016-06-01"
    ContentType = 'application/json'
    Method = 'GET'
    headers = @{
        authorization = "Bearer $token"
        host = 'management.azure.com'
    }
}
$laList = Invoke-RestMethod @getLAsParam

#Iterate through and perform the desired action against each logic app
Foreach ($la in $laList.value)
{
    $laName = $la | Select name
    $laNameVal = $laName.name
    $actionLabel1 = If ($action -eq "enable") {"Enabling"} Else {"Disabling"}
    $actionLabel2 = If ($action -eq "enable") {"enabled"} Else {"disabled"}
    Write-Host "$actionLabel1 Logic App with name $laNameVal..."
    
    $laActionParam = @{
    Uri = "https://management.azure.com/subscriptions/$subscriptionId/resourceGroups/$resourceGroup/providers/Microsoft.Logic/workflows/$laNameVal/" + $action + "?api-version=2016-06-01"
    ContentType = 'application/json'
    Method = 'POST'
    headers = @{
        authorization = "Bearer $token"
        host = 'management.azure.com'
        }
    }

    $actionResult = Invoke-RestMethod @laActionParam
    Write-Host "Logic App $laNameVal $actionLabel2 successfully!"
}