c# - Correct Way to store multiple social accounts using Xamarin.Auth -

in app, have keep logged many social media logins (instagram, facebook, etc...) using xamarin , successfull logged facebook , got data want. if need keep accounts logged, xamarin.auth ?

store = accountstore.create(); await store.saveasync(account = e.account, appname); 

checking code, supose save data in "appname" variable. if login facebook , instagram, per example, how xamarin knows wich 1 ? check if logged, using:

account = store.findaccountsforservice(appname).firstordefault();