input: [1] Optional [2] Specifies the URL or GUID of the site collection from which to list subsites.The type must be a valid URL, in the form of http://server_name; a GUID, in the form 1234-5678-9807, or an SPSite object. [0] 
output: Site
options: P a r a m e t e r
options: I d e n t i t y
options: A s s i g n m e n t C o l l e c t i o n
options: C o n f i r m
options: F i l t e r
options: L i m i t
options: S i t e
options: W h a t I f