diff --git a/PowerArubaCP/Public/Guest.ps1 b/PowerArubaCP/Public/Guest.ps1
new file mode 100644
index 0000000..468f4cc
--- /dev/null
+++ b/PowerArubaCP/Public/Guest.ps1
@@ -0,0 +1,196 @@
+#
+# Copyright 2018, Alexis La Goutte <alexis.lagoutte at gmail dot com>
+# Copyright 2018, Cédric Moreau <moreaucedric0 at gmail dot com>
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+function Get-ArubaCPGuest {
+
+  <#
+      .SYNOPSIS
+      Get Guest account on Aruba ClearPass
+
+      .DESCRIPTION
+      Get Guest account on Aruba ClearPass
+
+      .EXAMPLE
+      Get-ArubaCPGuest
+      Get all the guest accounts on Clearpass.
+  #>
+
+    Begin {
+    }
+
+    Process {
+
+        $run = Invoke-ArubaCPRestMethod -method "get" -uri "api/guest"
+
+        $guest = $run._embedded
+
+        $guest.items 
+
+    }
+
+    End {
+    }
+}
+
+function Add-ArubaCPGuest {
+
+    <#
+        .SYNOPSIS
+        Add Guest account on Aruba ClearPass
+
+        .DESCRIPTION
+        Add Guest account on Aruba ClearPass
+        .EXAMPLE
+
+        Add-ArubaCPGuest -username -company -mail -role -enable
+        Add the guest account with parameters.
+        .EXAMPLE
+
+        Add-ArubaCPGuest -username matthew -company "Interstellar & Co" -mail matt.hew@matthew.com -role guest -enable True
+        Add the guest account matthew with company Interstellar & Co, e-mail matt.hew@matthew.com and role guest and enable it on Clearpass.
+    #>
+
+    Param(
+        [Parameter(Mandatory = $true)]
+        [String]$username,
+        [Parameter(Mandatory = $true)]
+        [String]$company,
+        [Parameter(Mandatory = $true)]
+        [String]$mail,
+        [Parameter(Mandatory = $true)]
+        [int]$role,
+        [Parameter(Mandatory = $false)]
+        [ValidateSet ("True", "False")]
+        [string]$enable
+    )
+
+    Begin {
+    }
+  
+    Process {
+
+        $guest = new-Object -TypeName PSObject
+
+        $guest | add-member -name "username" -membertype NoteProperty -Value $username
+
+        $guest | add-member -name "visitor_company" -membertype NoteProperty -Value $company
+
+        $guest | add-member -name "email" -membertype NoteProperty -Value $mail
+
+        if ( $PsBoundParameters.ContainsKey('role'))
+        {
+            $guest | add-member -name "role_id" -membertype NoteProperty -Value $role
+        }
+        
+        if ( $PsBoundParameters.ContainsKey('enable'))
+        {
+            switch( $enable ) {
+                True {
+                    $enable = $true
+                }
+                False {
+                    $enable = $false
+                }
+            }
+            $guest | add-member -name "enabled" -membertype NoteProperty -Value $enable
+        }
+
+        $run = Invoke-ArubaCPRestMethod -method "post" -body $guest -uri "api/guest"
+
+        $run
+  
+    }
+  
+    End {
+    }
+}
+
+function Set-ArubaCPGuest {
+
+    <#
+        .SYNOPSIS
+        Set information about a guest account.
+
+        .DESCRIPTION
+        Set information about a guest account based on his username on Aruba ClearPass.
+
+        .EXAMPLE
+        Set-ArubaCPGuest -username test [-company] [-mail] [-role (contractor/employee/guest) ] [-enable (true/false)] [-expire (hour/day/week/month/year)]
+        Set the information of the guest user.
+
+        .EXAMPLE
+        Set-ArubaCPGuest -username matthew -company "Company" -mail myemail@domain.com -role guest -enable true -expire hour
+        Set the guest account matthew enable, with his company, his email, the role guest and with an expire time of an hour.
+    #>
+
+    Param(
+        [Parameter(Mandatory = $true)]
+        [String]$username,
+        [Parameter(Mandatory = $false)]
+        [String]$company,
+        [Parameter(Mandatory = $false)]
+        [String]$mail,
+        [Parameter(Mandatory = $false)]
+        [int]$role,
+        [Parameter(Mandatory = $false)]
+        [ValidateSet ("true", "false")]
+        [string]$enable,
+        [Parameter(Mandatory = $false)]
+        [int]$expire
+    )
+
+    Begin {
+    }
+
+    Process {
+
+        $guest = new-Object -TypeName PSObject
+
+        $guest | add-member -name "username" -membertype NoteProperty -Value $username
+        
+        if ( $PsBoundParameters.ContainsKey('company'))
+        {
+            $guest | add-member -name "visitor_company" -membertype NoteProperty -Value $company
+        }
+
+        if ( $PsBoundParameters.ContainsKey('mail'))
+        {
+        $guest | add-member -name "email" -membertype NoteProperty -Value $mail
+        }
+
+        if ( $PsBoundParameters.ContainsKey('role'))
+        {
+            $guest | add-member -name "role_id" -membertype NoteProperty -Value $role
+        }
+
+        if ( $PsBoundParameters.ContainsKey('enable'))
+        {
+            switch( $enable ) {
+                true {
+                    $enable = $true
+                }
+                false {
+                    $enable = $false
+                }
+            }
+            $guest | add-member -name "enabled" -membertype NoteProperty -Value $enable
+        }
+
+        if ( $PsBoundParameters.ContainsKey('expire'))
+        {   
+            $guest | add-member -name "expire_time" -membertype NoteProperty -Value $expire
+        }
+
+        $run = Invoke-ArubaCPRestMethod -method "patch" -body $guest -uri "api/username/${username}"
+
+        $run
+  
+    }
+  
+    End {
+    }
+}
\ No newline at end of file