Add Email Permission

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

    [parameter(Mandatory=$True)]
    [string]$Email2
	)
    $email1 = Read-Host "What is Mailbox user's Email?"
    $Email2 = Read-Host "What is Viewers Email?"
    Add-MailboxFolderPermission -Identity $Email1:\calendar $Email2 -AccessRights Owner
}