Update README.md

Adds examples of all 3 registration functions

Author: brbartle

Registration/README.md

@@ -4,12 +4,22 @@ The functions in this module allow you to perform the steps of registering your
 
 These functions must be run from the Host machine. As a prerequisite, make sure that you have an Azure subscription and that you have installed the correct version of Azure Powershell as outlined here: [Install Powershell for Azure Stack](https://docs.microsoft.com/en-us/azure/azure-stack/azure-stack-powershell-install)
 
-Once you have downloaded this module, to run the functions contained:
+Once you have downloaded this module, open an elevated instance of Powershell ISE and run the functions contained:
 
+To register with Azure and enable marketplace syndication and usage data reporting:
 ```powershell
-CD "<path to RegisterWithAzure.psm1>"
-Import-Module RegisterWithAzure.psm1
-Add-AzSRegistration -CloudAdminCredential $cloudAdminCredential -AzureSubscriptionId $AzureSubscriptionId -JeaComputerName $JeaComputerName
+Import-Module "<path to RegisterWithAzure.psm1>" -Force -Verbose
+Add-AzsRegistration -CloudAdminCredential $cloudAdminCredential -AzureDirectoryTenantName $azureDirectoryTenantName  -AzureSubscriptionId $azureSubscriptionId -PrivilegedEndpoint $privilegedEndpoint -BillingModel PayAsYouUse
+```
+
+To switch the existing registration to a new subscription or directory:
+```powershell
+Set-AzsRegistrationSubscription -CloudAdminCredential $cloudAdminCredential -AzureDirectoryTenantName $azureDirectoryTenantName -NewAzureDirectoryTenantName $NewDirectoryTenantName -CurrentAzureSubscriptionId $azureSubscriptionId -NewAzureSubscriptionId $NewAzureSubscriptionId -PrivilegedEndpoint $privilegedEndpoint -BillingModel PayAsYouUse
+```
+
+To remove the existing registration resource and disable marketplace syndication and usage data reporting:
+```powershell
+Remove-AzsRegistration -CloudAdminCredential $cloudAdminCredential -AzureDirectoryTenantName $azureDirectoryTenantName  -AzureSubscriptionId $azureSubscriptionId -PrivilegedEndpoint $privilegedEndpoint -BillingModel PayAsYouUse
 ```
 
 If you are not logged into an Azure account during your powershell session you will be prompted for your Azure credentials before registration completes.