Share an App in Windows Phone 8 -

i created app windows phone. want include feature of native share option in windows phone 8 (while press , holding app. shows 1.pin start 2. rate&review 3. uninstall , want include share option.)

is tell me how this?

 var marketplacedetailtask = new marketplacedetailtask             {                 contentidentifier = "app id",                   contenttype = marketplacecontenttype.applications             };          marketplacedetailtask.show(); 

try link.