I've told him/her
Le he contado a tu hermano lo que ha pasado.
I've told your brother what happened.
Voy a decirte algo que no le he contado a nadie hasta ahora.
I'm going to tell you something I haven't told anyone until now.
Le he contado a Stimson las diversas opiniones de la comunidad.
I have told Stimson about the community's diverse opinions.
— Oppenheimer (2023)
Nunca le he contado esto a nadie.
I've never told anyone this.