@startuml Établir un lien
left to right direction
skinparam packageStyle rectangle
actor :Alice: as A
actor :Système: as S

usecase (S'authentifier) as a
usecase (Consulter les suggestions) as cs
usecase (Selectionner un profil) as cp
usecase (Afficher le profil) as ap
usecase (Faire une demmande de lien) as fdl

A -- (a)
(a) -> (cs)
(cs) -> (cp)
(cp) -> (ap)
(cp) -> (fdl)
(ap) -> (fdl)
(ap) -- S

@enduml