PowerShell function | Add or Remove Full Mailbox Access | Exchange

Hi,

Today, I share with you my code to build a function to add or remove Full Mailbox Access with PowerShell. Feel free to use and modify my code. If you made some improvements, please share it.

1:  <#  
2:  .Synopsis  
3:    Connect a remote session to the Exchange 2010 server.  
4:    Add or remove Full Access permission for an account (user)  
5:  .DESCRIPTION  
6:    This cmdlet need to have access to the cmdlet of Exchange.  
7:    Its script to be used with Exchange 2010.  
8:    Version 1.0  
9:    Script by Jeremie Lauzier - Network Administrator, 2015-06-03  
10:  .EXAMPLE  
11:    Add Full Access permission for Felicity Jones on the account Ray Plamer.  
12:    Set-XXXFullMailboxAccess -accountmodify palmerr -accountFMA jonesf -choice Add  
13:  .EXAMPLE  
14:   Remove Full Access permission for Felicity Jones on the account Ray Plamer.  
15:   Set-XXXFullMailboxAccess -accountmodify palmerr -accountFMA jonesf -choice Remove  
16:  .EXAMPLE  
17:    All parameters are mandatory. So just type Set-XXXFullMailboxAccess and field choice one at a time.  
18:  #>  
19:  function Set-XXXFullMailboxAccess  
20:  {  
21:    [CmdletBinding()]  
22:    [OutputType([int])]  
23:    Param  
24:    (  
25:      # Define the account to modify  
26:      [Parameter(Mandatory=$true,  
27:            ValueFromPipelineByPropertyName=$true,  
28:            Position=0)]  
29:      $accountmodify,  
30:      # Define the account who will have Full Access or Remove it.  
31:      [Parameter(Mandatory=$true)]  
32:      $accountFMA,  
33:      # Add or remove Full Access  
34:      [Parameter(Mandatory=$true)]  
35:      [ValidateSet("Add", "Remove")]  
36:      $choice  
37:    )  
38:    Begin  
39:    {  
40:    $exchsession=New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri http://yourservername/powershell  
41:    Import-PSSession $exchsession -AllowClobber  
42:    }  
43:    Process  
44:    {if ($choice -eq "Add")  
45:     {  
46:     Add-MailboxPermission -Identity $accountmodify -User $accountFMA -AccessRights 'FullAccess'   
47:     }  
48:     if ($choice -eq "Remove")  
49:     {  
50:     Remove-MailboxPermission -Identity $accountmodify -User $accountFMA -InheritanceType 'All' -AccessRights 'FullAccess' -Confirm:$false    
51:     }  
52:     Get-MailboxPermission -Identity $accountmodify | where {$_.AccessRights -eq "FullAccess"} | Format-Table User, AccessRights -AutoSize  
53:    }  
54:    End  
55:    {  
56:    Remove-PSSession $exchsession  
57:    }  
58:  }