話したの

talked; spoke, Did you tell them?

→ 話す
phrase Very common #1,952
talked; spoke Used conversationally to ask whether someone talked or what they talked about. The の gives the question a casual, inquisitive tone.
JA: どんなことを話したの?
EN: What did you talk about?

いつ父さんは彼女に話したの?

When did Dad talk to her?

— セッション (2014)

そもそも話したの?

Did you even talk in the first place?

どんなことを話したの?

What did you talk about?

ツィーグラーさんと話したの

I talked to Ziegler.

— es[エス] (2001)

何を話したの?

What did you talk about?

最後に彼女と話したのって、いつ?

When was the last time you talked to her?

話したの?

Did you talk?

— レミーのおいしいレストラン (2007)

誰がトムに話したの?

Who told Tom?

phrase Rare #41,007
Did you tell them? A casual question asking whether someone conveyed something to another person.
JA: お母さんには話したの?
EN: Did you tell your mother?

お母さんには話したの?

Have you told your mother?

お母さんに話したの?

Did you tell Mom?

トムには話したの?

Did you tell Tom?

トムは誰かに話したの?

Did Tom tell anyone?