Hello, Miso-er!
Keep me logged in for 30 days.
Go
{begin success | if {myself authenticate username #username password #password days #days} else "{notice set value {* ( :message "<strong>Derp!</strong> You mistyped your username or password! Please try again." :type :error)}}"} {begin check_me_in | if #checkin} {member in} {end check_me_in} {end success}