Caitlyn was blanking on who played batman in the movie batman v. superman until her friend gave her the hint that he was married to jennifer garner. caitlyn correctly identified the actor as ben affleck, and the hint is an example of a(n) cue.

It is an example of a retrieval cue.

Explanation:

Retrieval is the cognitive process of bringing prompts or stored information into consciousness to be available.

When Caitlyn identified Garner's husband as the actor who played Batman in the movie, she remembered certain information about this unknown actor that led her to recognize him as Ben Affleck.