Exchange Folder Permissions

function Get-CalPermission {
	param(
		[parameter(Mandatory=$True)]
   		[string]$Email1,

    	[parameter(Mandatory=$True)]
   		[string]$Email2,

		[parameter(Mandatory=$True)]
		[string]$Permission
	)
        #Add-MailboxFolderPermission username:\calendar -user username2 -AccessRights LimitedDetails ------Use this if no folder exists------
        Add-MailboxFolderPermission "$Email1`:\calendar" -user Email2 -AccessRights $Permission

        #set-MailboxFolderPermission username:\calendar -user username2 -AccessRights LimitedDetails ------Use this if folder exists------
    	Set-MailboxFolderPermission -Identity "$Email1`:\calendar" -User $Email2 -AccessRights $Permission
}

Get-CalPermission