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+<#
+Copyright 2021 VMware, Inc.
+SPDX-License-Identifier: BSD-2-Clause
+#>
+
+# This is a Demo Script for different ways to call different vSphere APIs with PowerCLI 12.4
+# It is an interactive script that is supposed to be executed step by step in an Interactive PowerShell
+# session with PowerCLI 12.4 installed
+
+#region 1. Connect to a vCenter Server with PowerCLI
+# Specify VC Server Here
+$VCServerAddress = '10.186.100.116'
+
+
+Connect-VIServer -Server $VCServerAddress
+#endregion
+
+#region 2. Open vSphere APIs web documentation pages
+# The entry point to all APIs documentation
+Start-Process https://developer.vmware.com
+
+# Access SOAP API
+Start-Process https://code.vmware.com/apis/968
+#endregion
+
+#region 3. vSphere SOAP APIs through PowerCLI
+
+# Managed Objects - objects with operations
+# DataObject - structures of data
+# Get-View - retrieves Managed Object Instance
+
+## Retrive Managed Object Instance by Managed Object Name with Get-View
+Get-View ServiceInstance
+Get-View AlarmManager
+
+## Discover API Operations
+$alarmManagerMO = Get-View AlarmManager
+$alarmManagerMO | Get-Member -MemberType Method
+
+# Get Data Object
+## Get the VCenter SOAP API Service Instance
+$serviceInstance = Get-View ServiceInstance
+
+## Get vCenter Server About Info through the SOAP API
+$serviceInstance.Content.About
+#endregion
+
+#region 4. vSphere Automation APIs (JSON RPC)
+Start-Process https://developer.vmware.com/docs/vsphere-automation/latest/
+# Access JRPC API
+Start-Process https://code.vmware.com/docs/13551/vsphere-automation-java-api-reference-7-0u2
+
+## JRPC vSphere Automation SDK is exposed through Get-CISService
+## Needs a CIS Connection
+Connect-CISServer -Server $VCServerAddress
+# Exploer services and check the integrated help for reference-7-0u2
+Get-CisService
+
+# Find appliance health services
+Get-CisService com.vmware.appliance.health*
+
+# Get appliance health check settings services
+$health_check_settings = Get-CisService com.vmware.appliance.health_check_settings
+
+$health_check_settings | Get-Member -MemberType CodeMethod
+$health_check_settings.get()
+
+Disconnect-CisServer
+#endregion
+
+#region 5. vSphere Automation REST APIs through PowerCLI
+
+# PowerCLI 12.4 Exposes vSphere Automation REST APIs
+# Access REST API
+Start-Process https://developer.vmware.com/docs/vsphere-automation/latest/
+Invoke-GetHealthSettings
+
+$HealthCheckSettingsUpdateSpec = Initialize-HealthCheckSettingsUpdateSpec -DbHealthCheckStateManualBackup $false -DbHealthCheckStateScheduledBackup $true
+Invoke-UpdateHealthSettings -HealthCheckSettingsUpdateSpec $HealthCheckSettingsUpdateSpec
+
+# Using pipeline of initialize and invoke
+Initialize-HealthCheckSettingsUpdateSpec -DbHealthCheckStateManualBackup $true -DbHealthCheckStateScheduledBackup $true | Invoke-UpdateHealthSettings; Invoke-GetHealthSettings
+
+# Initialize/Invoke concept
+
+# Online Help
+Get-Help Invoke-UpdateHealthSettings -Online
+
+# vSphere SDK Modules
+Get-Module VMware.Sdk.vSphere* -ListAvailable
+
+# Explore Availalable modules for vSphere Automation SDK API
+Get-Module VMware.Sdk.vSphere* -ListAvailable | Select Name
+
+# Explore Invoke commands available for the Appliance APIs
+Get-Command -Module VMware.Sdk.vSphere.Appliance -Name Invoke*
+
+# Create Appliance Local Account
+
+$LocalAccountsConfig = Initialize-LocalAccountsConfig -Password 'Tes$TPa$$w0Rd' -Roles 'superAdmin'
+$LocalAccountsCreateRequestBody = Initialize-LocalAccountsCreateRequestBody -Username 'dmilov' -Config $LocalAccountsConfig
+Invoke-CreateLocalAccounts -LocalAccountsCreateRequestBody $LocalAccountsCreateRequestBody
+
+# Get Appliance Local Account
+Invoke-GetUsernameLocalAccounts -UserName 'dmilov'
+
+# Update Appliance Local Account
+$LocalAccountsUpdateConfig = Initialize-LocalAccountsUpdateConfig -FullName "Dimitar Milov" -Email "dmilov@vmware.com"
+Invoke-UpdateUsernameLocalAccounts -Username 'dmilov' -LocalAccountsUpdateConfig $LocalAccountsUpdateConfig
+
+# Delete Appliance Local Account
+Invoke-DeleteUsernameLocalAccounts -Username 'dmilov'
+#endregion
+
+#region 6. Bindings vs Invoke-RestMethod
+## Create Session
+$UserName = 'administrator@vsphere.local'
+$Password = Read-Host "Passowrd:" -MaskInput
+$encodedCreds = [System.Convert]::ToBase64String([System.Text.Encoding]::ASCII.GetBytes("$($UserName):$($Password)"))
+$sessionKey = Invoke-RestMethod `
+    -Method Post `
+    -Uri https://$VCServerAddress/api/session `
+    -Headers @{"Authorization"= "Basic $encodedCreds"} `
+    -ContentType 'application/json' `
+    -SkipCertificateCheck
+
+## Prepare input for Local Account Creation
+
+$requestBody = @{
+   "config"= @{
+        "password"= '$$$$TtRr0000NgGgg'
+        "roles"=@("admin")
+    }
+    "username"= "dimitar"
+}
+
+## Invoke POST api/appliance/local-accounts to Create a local account
+Invoke-RestMethod `
+    -Method POST `
+    -Uri https://$VCServerAddress/api/appliance/local-accounts `
+    -Headers @{"vmware-api-session-id" = $sessionKey} `
+    -ContentType 'application/json' `
+    -SkipCertificateCheck `
+    -Body ($requestBody | ConvertTo-Json)
+
+## Invoke GET api/appliance/local-accounts to Get the new local account
+Invoke-RestMethod `
+    -Method GET `
+    -Uri "https://$VCServerAddress/api/appliance/local-accounts/dimitar" `
+    -Headers @{"vmware-api-session-id" = $sessionKey} `
+    -ContentType 'application/json' `
+    -SkipCertificateCheck
+
+## Invoke Delete api/appliance/local-accounts to Delete the new local account
+Invoke-RestMethod `
+    -Method DELETE `
+    -Uri "https://$VCServerAddress/api/appliance/local-accounts/dimitar" `
+    -Headers @{"vmware-api-session-id" = $sessionKey} `
+    -ContentType 'application/json' `
+    -SkipCertificateCheck
+#endregion
+
+#region 7. Create Advanced functions with PowerCLI 12.4 REST APIs bindings
+function New-ApplianceUserAccount {
+    param(
+        [Parameter(Mandatory)]
+        [string]
+        $UserName,
+
+        [Parameter(Mandatory)]
+        [string]
+        $Password,
+
+        [Parameter(Mandatory)]
+        [ValidateSet('admin', 'superAdmin')]
+        [string]
+        $Roles
+    )
+
+    # Create
+    $LocalAccountsConfig = Initialize-LocalAccountsConfig -Password $Password -Roles $Roles
+    $LocalAccountsCreateRequestBody = Initialize-LocalAccountsCreateRequestBody -Username $UserName -Config $LocalAccountsConfig
+    Invoke-CreateLocalAccounts -LocalAccountsCreateRequestBody $LocalAccountsCreateRequestBody
+
+    # Get
+    Get-ApplianceUserAccount -UserName $UserName
+}
+
+function Get-ApplianceUserAccount {
+    param(
+        [Parameter(Mandatory)]
+        [string]
+        $UserName)
+
+    # Get
+    $accountApiResult = Invoke-GetUsernameLocalAccounts -UserName $UserName
+
+    # Output
+    [PSCustomObject]@{
+        'PSTypeName' = 'ApplianceUserAccount'
+        'UserName' = $UserName
+        'Roles' = $accountApiResult.roles
+        'FullName' = $accountApiResult.fullname
+        'Email' = $accountApiResult.email
+        'Enabled' = $accountApiResult.enabled
+    }
+}
+
+function Set-ApplianceUserAccount {
+    [CmdletBinding()]
+    param(
+        [Parameter(Mandatory = $true, ValueFromPipeline = $true)]
+        [ValidateNotNull()]
+        [PSCustomObject]
+        [PSTypeName('ApplianceUserAccount')]
+        $UserAccount,
+
+        [Parameter()]
+        [string]
+        $Email,
+
+        [Parameter()]
+        [string]
+        $FullName
+    )
+
+    # Update
+    $LocalAccountsUpdateConfig = Initialize-LocalAccountsUpdateConfig -FullName $FullName -Email $Email
+    Invoke-UpdateUsernameLocalAccounts -Username $UserAccount.UserName -LocalAccountsUpdateConfig $LocalAccountsUpdateConfig
+
+    # Get
+    Get-ApplianceUserAccount -UserName $UserAccount.UserName
+}
+
+function Remove-ApplianceUserAccount {
+    [CmdletBinding()]
+    param(
+        [Parameter(Mandatory = $true, ValueFromPipeline = $true)]
+        [ValidateNotNull()]
+        [PSCustomObject]
+        [PSTypeName('ApplianceUserAccount')]
+        $UserAccount
+    )
+
+    # Check account is available on the server
+    $accountOnTheServer = Get-ApplianceUserAccount -UserName $UserAccount.UserName
+
+    # Delete
+    if ($null -ne $accountOnTheServer) {
+        Invoke-DeleteUsernameLocalAccounts -Username $UserAccount.UserName
+    }
+}
+
+
+# User the new advanced functions
+Get-Command *-ApplianceUserAccount
+
+New-ApplianceUserAccount -UserName dmilov -Password 'Tes$TPa$$w0Rd' -Roles admin
+
+Get-ApplianceUserAccount -UserName dmilov | Set-ApplianceUserAccount -Email dmilov@vmware.com -FullName 'Dimitar Milov'
+Get-ApplianceUserAccount -UserName dmilov | Remove-ApplianceUserAccount
+#endregion
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